<?php
declare(strict_types=1);
require_once __DIR__ . '/db/config.php';

// Simulate Tenant Context (Hardcoded for demo)
$tenant_id = 1; 

// Handle Add Employee
if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_POST['add_employee'])) {
    $first_name = $_POST['first_name'] ?? '';
    $last_name = $_POST['last_name'] ?? '';
    $email = $_POST['email'] ?? '';
    $position = $_POST['position'] ?? '';
    $start_date = $_POST['start_date'] ?? date('Y-m-d');
    $is_limited = isset($_POST['is_limited']) ? 1 : 0;
    $initial_wage = (float)($_POST['initial_wage'] ?? 0);
    $team_ids = $_POST['teams'] ?? [];

    if ($first_name && $last_name) {
        $user_id = null;
        // If not limited, create a user account
        if (!$is_limited && $email) {
            $stmt = db()->prepare("INSERT IGNORE INTO users (tenant_id, name, email, role) VALUES (?, ?, ?, 'staff')");
            $stmt->execute([$tenant_id, "$first_name $last_name", $email]);
            $user_id = (int)db()->lastInsertId();
            if ($user_id === 0) { // Already exists
                $stmt = db()->prepare("SELECT id FROM users WHERE email = ?");
                $stmt->execute([$email]);
                $user_id = (int)($stmt->fetchColumn() ?: null);
            }
        }

        $stmt = db()->prepare("INSERT INTO employees (tenant_id, first_name, last_name, email, position, start_date, is_limited, user_id, name) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?)");
        $stmt->execute([$tenant_id, $first_name, $last_name, $email, $position, $start_date, $is_limited, $user_id, "$first_name $last_name"]);
        $employee_id = (int)db()->lastInsertId();

        // Initial Wage
        if ($initial_wage > 0) {
            $stmt = db()->prepare("INSERT INTO employee_wages (tenant_id, employee_id, hourly_rate, effective_date) VALUES (?, ?, ?, ?)");
            $stmt->execute([$tenant_id, $employee_id, $initial_wage, $start_date]);
        }

        // Teams
        if (!empty($team_ids)) {
            foreach ($team_ids as $tid) {
                $stmt = db()->prepare("INSERT INTO employee_teams (tenant_id, employee_id, team_id) VALUES (?, ?, ?)");
                $stmt->execute([$tenant_id, $employee_id, $tid]);
            }
        }

        // Log Activity
        $stmt = db()->prepare("INSERT INTO activity_log (tenant_id, action, details) VALUES (?, ?, ?)");
        $stmt->execute([$tenant_id, 'Employee Created', "Added employee: $first_name $last_name"]);

        header("Location: index.php?success=employee");
        exit;
    }
}

// Handle Add Team
if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_POST['add_team'])) {
    $name = $_POST['name'] ?? '';
    if ($name) {
        $stmt = db()->prepare("INSERT INTO teams (tenant_id, name) VALUES (?, ?)");
        $stmt->execute([$tenant_id, $name]);
        header("Location: index.php?success=team");
        exit;
    }
}

// Handle Add Wage Adjustment
if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_POST['add_wage'])) {
    $employee_id = (int)$_POST['employee_id'];
    $rate = (float)$_POST['hourly_rate'];
    $effective_date = $_POST['effective_date'];
    
    if ($employee_id && $rate > 0) {
        $stmt = db()->prepare("INSERT INTO employee_wages (tenant_id, employee_id, hourly_rate, effective_date) VALUES (?, ?, ?, ?)");
        $stmt->execute([$tenant_id, $employee_id, $rate, $effective_date]);
        header("Location: index.php?success=wage");
        exit;
    }
}

// Handle Add Project
if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_POST['add_project'])) {
    $name = $_POST['name'] ?? '';
    $code = $_POST['code'] ?? '';
    $start_date = $_POST['start_date'] ?? date('Y-m-d');
    
    if ($name && $code) {
        $stmt = db()->prepare("INSERT INTO projects (tenant_id, name, code, start_date) VALUES (?, ?, ?, ?)");
        $stmt->execute([$tenant_id, $name, $code, $start_date]);
        
        // Log Activity
        $stmt = db()->prepare("INSERT INTO activity_log (tenant_id, action, details) VALUES (?, ?, ?)");
        $stmt->execute([$tenant_id, 'Project Created', "Added project: $name ($code)"]);
        
        header("Location: index.php?success=1");
        exit;
    }
}

// Handle Add Labour
if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_POST['add_labour'])) {
    $project_id = (int)($_POST['project_id'] ?? 0);
    $employee_id = (int)($_POST['employee_id'] ?? 0);
    $entry_date = $_POST['entry_date'] ?? date('Y-m-d');
    $hours = (float)($_POST['hours'] ?? 0);
    $labour_type_id = (int)($_POST['labour_type_id'] ?? 0);
    $evidence_type_id = (int)($_POST['evidence_type_id'] ?? 0);
    $notes = $_POST['notes'] ?? '';

    if ($project_id && $employee_id && $hours > 0) {
        $stmt = db()->prepare("INSERT INTO labour_entries (tenant_id, project_id, employee_id, entry_date, hours, labour_type_id, evidence_type_id, notes) VALUES (?, ?, ?, ?, ?, ?, ?, ?)");
        $stmt->execute([$tenant_id, $project_id, $employee_id, $entry_date, $hours, $labour_type_id, $evidence_type_id, $notes]);
        $labour_entry_id = (int)db()->lastInsertId();

        // Handle File Uploads
        if (!empty($_FILES['attachments']['name'][0])) {
            foreach ($_FILES['attachments']['tmp_name'] as $key => $tmp_name) {
                $file_name = $_FILES['attachments']['name'][$key];
                $file_size = $_FILES['attachments']['size'][$key];
                $mime_type = $_FILES['attachments']['type'][$key];
                $file_ext = pathinfo($file_name, PATHINFO_EXTENSION);
                $new_file_name = uniqid() . '.' . $file_ext;
                $file_path = 'uploads/' . $new_file_name;

                if (move_uploaded_file($tmp_name, $file_path)) {
                    $stmt = db()->prepare("INSERT INTO attachments (tenant_id, entity_type, entity_id, file_name, file_path, file_size, mime_type) VALUES (?, 'labour_entry', ?, ?, ?, ?, ?)");
                    $stmt->execute([$tenant_id, $labour_entry_id, $file_name, $file_path, $file_size, $mime_type]);
                }
            }
        }

        // Log Activity
        $stmt = db()->prepare("INSERT INTO activity_log (tenant_id, action, details) VALUES (?, ?, ?)");
        $stmt->execute([$tenant_id, 'Labour Added', "Logged $hours hours for employee ID $employee_id"]);

        header("Location: index.php?success=labour");
        exit;
    }
}

// Handle Add Expense
if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_POST['add_expense'])) {
    $project_id = (int)($_POST['project_id'] ?? 0);
    $supplier_id = (int)($_POST['supplier_id'] ?? 0);
    $expense_type_id = (int)($_POST['expense_type_id'] ?? 0);
    $amount = (float)($_POST['amount'] ?? 0);
    $allocation = (float)($_POST['allocation_percent'] ?? 100);
    $entry_date = $_POST['entry_date'] ?? date('Y-m-d');
    $notes = $_POST['notes'] ?? '';

    if ($project_id && $supplier_id && $amount > 0) {
        $stmt = db()->prepare("INSERT INTO expenses (tenant_id, project_id, supplier_id, expense_type_id, amount, allocation_percent, entry_date, notes) VALUES (?, ?, ?, ?, ?, ?, ?, ?)");
        $stmt->execute([$tenant_id, $project_id, $supplier_id, $expense_type_id, $amount, $allocation, $entry_date, $notes]);
        $expense_id = (int)db()->lastInsertId();

        // Handle File Uploads (Centralized Attachments)
        if (!empty($_FILES['attachments']['name'][0])) {
            foreach ($_FILES['attachments']['tmp_name'] as $key => $tmp_name) {
                if (!$_FILES['attachments']['error'][$key]) {
                    $file_name = $_FILES['attachments']['name'][$key];
                    $file_size = $_FILES['attachments']['size'][$key];
                    $mime_type = $_FILES['attachments']['type'][$key];
                    $file_ext = pathinfo($file_name, PATHINFO_EXTENSION);
                    $new_file_name = uniqid() . '.' . $file_ext;
                    $file_path = 'uploads/' . $new_file_name;

                    if (move_uploaded_file($tmp_name, $file_path)) {
                        $stmt = db()->prepare("INSERT INTO attachments (tenant_id, entity_type, entity_id, file_name, file_path, file_size, mime_type) VALUES (?, 'expense', ?, ?, ?, ?, ?)");
                        $stmt->execute([$tenant_id, $expense_id, $file_name, $file_path, $file_size, $mime_type]);
                    }
                }
            }
        }

        // Log Activity
        $stmt = db()->prepare("INSERT INTO activity_log (tenant_id, action, details) VALUES (?, ?, ?)");
        $stmt->execute([$tenant_id, 'Expense Logged', "Logged \$" . number_format($amount, 2) . " expense for project ID $project_id"]);

        header("Location: index.php?success=expense");
        exit;
    }
}

// Handle Add Supplier
if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_POST['add_supplier'])) {
    $name = $_POST['name'] ?? '';
    $type = $_POST['type'] ?? 'supplier';
    $contact = $_POST['contact_info'] ?? '';

    if ($name) {
        $stmt = db()->prepare("INSERT INTO suppliers (tenant_id, name, type, contact_info) VALUES (?, ?, ?, ?)");
        $stmt->execute([$tenant_id, $name, $type, $contact]);
        header("Location: index.php?success=supplier");
        exit;
    }
}

// Fetch Data
$projects = db()->prepare("SELECT * FROM projects WHERE tenant_id = ? ORDER BY created_at DESC");
$projects->execute([$tenant_id]);
$projectList = $projects->fetchAll();

$employees = db()->prepare("
    SELECT e.*, 
    (SELECT hourly_rate FROM employee_wages WHERE employee_id = e.id ORDER BY effective_date DESC LIMIT 1) as current_wage 
    FROM employees e 
    WHERE e.tenant_id = ? 
    ORDER BY e.first_name, e.last_name
");
$employees->execute([$tenant_id]);
$employeeList = $employees->fetchAll();

$teams = db()->prepare("SELECT * FROM teams WHERE tenant_id = ? ORDER BY name");
$teams->execute([$tenant_id]);
$teamList = $teams->fetchAll();

$suppliers = db()->prepare("SELECT * FROM suppliers WHERE tenant_id = ? ORDER BY name");
$suppliers->execute([$tenant_id]);
$supplierList = $suppliers->fetchAll();

$expenseTypes = db()->prepare("SELECT * FROM expense_types WHERE tenant_id = ? ORDER BY name");
$expenseTypes->execute([$tenant_id]);
$expenseTypeList = $expenseTypes->fetchAll();

$labourTypes = db()->prepare("SELECT * FROM labour_types WHERE tenant_id = ? ORDER BY name");
$labourTypes->execute([$tenant_id]);
$labourTypeList = $labourTypes->fetchAll();

$evidenceTypes = db()->prepare("SELECT * FROM evidence_types WHERE tenant_id = ? ORDER BY name");
$evidenceTypes->execute([$tenant_id]);
$evidenceTypeList = $evidenceTypes->fetchAll();

$labourEntries = db()->prepare("
    SELECT le.*, p.name as project_name, e.name as employee_name, lt.name as labour_type, et.name as evidence_type
    FROM labour_entries le
    JOIN projects p ON le.project_id = p.id
    JOIN employees e ON le.employee_id = e.id
    LEFT JOIN labour_types lt ON le.labour_type_id = lt.id
    LEFT JOIN evidence_types et ON le.evidence_type_id = et.id
    WHERE le.tenant_id = ?
    ORDER BY le.entry_date DESC, le.created_at DESC
");
$labourEntries->execute([$tenant_id]);
$labourList = $labourEntries->fetchAll();

$expenseEntries = db()->prepare("
    SELECT e.*, p.name as project_name, s.name as supplier_name, et.name as expense_type
    FROM expenses e
    JOIN projects p ON e.project_id = p.id
    JOIN suppliers s ON e.supplier_id = s.id
    LEFT JOIN expense_types et ON e.expense_type_id = et.id
    WHERE e.tenant_id = ?
    ORDER BY e.entry_date DESC, e.created_at DESC
");
$expenseEntries->execute([$tenant_id]);
$expenseList = $expenseEntries->fetchAll();

$activities = db()->prepare("SELECT * FROM activity_log WHERE tenant_id = ? ORDER BY created_at DESC LIMIT 10");
$activities->execute([$tenant_id]);
$activityList = $activities->fetchAll();

$projectDescription = $_SERVER['PROJECT_DESCRIPTION'] ?? 'SR&ED Project Tracking Software';
?>
<!doctype html>
<html lang="en">
<head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <title>SR&ED Manager - Dashboard</title>
    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css" rel="stylesheet">
    <link href="https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap" rel="stylesheet">
    <link href="assets/css/custom.css?v=<?= time() ?>" rel="stylesheet">
</head>
<body>

<nav class="navbar navbar-expand-lg sticky-top">
    <div class="container-fluid">
        <a class="navbar-brand" href="index.php">SR&ED MANAGER</a>
        <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarNav">
            <span class="navbar-toggler-icon"></span>
        </button>
        <div class="collapse navbar-collapse" id="navbarNav">
            <ul class="navbar-nav me-auto">
                <li class="nav-item dropdown">
                    <a class="nav-link dropdown-toggle" href="#" role="button" data-bs-toggle="dropdown">Projects</a>
                    <ul class="dropdown-menu">
                        <li><a class="dropdown-item" href="#" data-bs-toggle="modal" data-bs-target="#addProjectModal">Add Project</a></li>
                        <li><a class="dropdown-item" href="index.php">List Projects</a></li>
                    </ul>
                </li>
                <li class="nav-item dropdown">
                    <a class="nav-link dropdown-toggle" href="#" role="button" data-bs-toggle="dropdown">Labour</a>
                    <ul class="dropdown-menu">
                        <li><a class="dropdown-item" href="#" data-bs-toggle="modal" data-bs-target="#addLabourModal">Add Labour</a></li>
                        <li><a class="dropdown-item" href="#labour-section">List Labour</a></li>
                    </ul>
                </li>
                <li class="nav-item dropdown">
                    <a class="nav-link dropdown-toggle" href="#" role="button" data-bs-toggle="dropdown">Expenses</a>
                    <ul class="dropdown-menu">
                        <li><a class="dropdown-item" href="#" data-bs-toggle="modal" data-bs-target="#addExpenseModal">Add Expense</a></li>
                        <li><a class="dropdown-item" href="#expense-section">List Expenses</a></li>
                        <li><hr class="dropdown-divider"></li>
                        <li><a class="dropdown-item" href="#" data-bs-toggle="modal" data-bs-target="#addSupplierModal">Manage Suppliers</a></li>
                        <li><a class="dropdown-item" href="#">Expense Types</a></li>
                    </ul>
                </li>
                <li class="nav-item dropdown">
                    <a class="nav-link dropdown-toggle" href="#" role="button" data-bs-toggle="dropdown">Users</a>
                    <ul class="dropdown-menu">
                        <li><a class="dropdown-item" href="#" data-bs-toggle="modal" data-bs-target="#addEmployeeModal">Add Employee</a></li>
                        <li><a class="dropdown-item" href="#employee-section">Manage Employees</a></li>
                        <li><hr class="dropdown-divider"></li>
                        <li><a class="dropdown-item" href="#" data-bs-toggle="modal" data-bs-target="#addTeamModal">Manage Teams</a></li>
                        <li><a class="dropdown-item" href="#">Roles</a></li>
                    </ul>
                </li>
                <li class="nav-item dropdown">
                    <a class="nav-link dropdown-toggle" href="#" role="button" data-bs-toggle="dropdown">Reports</a>
                    <ul class="dropdown-menu">
                        <li><a class="dropdown-item" href="#">Labour Summary</a></li>
                        <li><a class="dropdown-item" href="#">Project Expenses</a></li>
                        <li><a class="dropdown-item" href="#">SR&ED Claim Export</a></li>
                    </ul>
                </li>
            </ul>
            <div class="d-flex align-items-center text-muted small">
                <span class="me-3">Tenant: <strong>Acme Research</strong></span>
                <span class="badge bg-light text-dark border">Global Admin</span>
            </div>
        </div>
    </div>
</nav>

<div class="container-fluid py-4">
    <div class="row">
        <div class="col-lg-9">
            <?php if (isset($_GET['success'])): ?>
                <div class="alert alert-success alert-dismissible fade show border-0 shadow-sm mb-4" role="alert">
                    <?php 
                        switch($_GET['success']) {
                            case 'labour': echo 'Labour entry successfully saved.'; break;
                            case 'expense': echo 'Expense successfully logged.'; break;
                            case 'supplier': echo 'Supplier successfully added.'; break;
                            case 'employee': echo 'Employee record created.'; break;
                            case 'team': echo 'New team created.'; break;
                            case 'wage': echo 'Wage adjustment recorded.'; break;
                            default: echo 'Action successfully completed.'; break;
                        }
                    ?>
                    <button type="button" class="btn-close" data-bs-dismiss="alert"></button>
                </div>
            <?php endif; ?>

            <div class="card mb-4">
                <div class="card-header d-flex justify-content-between align-items-center">
                    <span>Active Projects</span>
                    <button class="btn btn-sm btn-primary" data-bs-toggle="modal" data-bs-target="#addProjectModal">+ New Project</button>
                </div>
                <div class="table-responsive">
                    <table class="table align-middle">
                        <thead>
                            <tr>
                                <th>Project Name</th>
                                <th>Code</th>
                                <th>Start Date</th>
                                <th>Status</th>
                                <th class="text-end">Actions</th>
                            </tr>
                        </thead>
                        <tbody>
                            <?php foreach ($projectList as $p): ?>
                            <tr>
                                <td><strong><?= htmlspecialchars($p['name']) ?></strong></td>
                                <td><code class="text-primary"><?= htmlspecialchars($p['code']) ?></code></td>
                                <td><?= $p['start_date'] ?></td>
                                <td><span class="status-badge status-<?= $p['status'] ?>"><?= ucfirst($p['status']) ?></span></td>
                                <td class="text-end">
                                    <button class="btn btn-sm btn-outline-secondary">Edit</button>
                                </td>
                            </tr>
                            <?php endforeach; ?>
                        </tbody>
                    </table>
                </div>
            </div>

            <div class="card mb-4" id="labour-section">
                <div class="card-header d-flex justify-content-between align-items-center">
                    <span>Recent Labour Entries</span>
                    <button class="btn btn-sm btn-primary" data-bs-toggle="modal" data-bs-target="#addLabourModal">+ Add Labour</button>
                </div>
                <div class="table-responsive">
                    <table class="table align-middle">
                        <thead>
                            <tr>
                                <th>Date</th>
                                <th>Employee</th>
                                <th>Project</th>
                                <th>Hours</th>
                                <th>Type / Evidence</th>
                                <th class="text-end">Actions</th>
                            </tr>
                        </thead>
                        <tbody>
                            <?php foreach ($labourList as $l): ?>
                            <tr>
                                <td><?= $l['entry_date'] ?></td>
                                <td><strong><?= htmlspecialchars($l['employee_name']) ?></strong></td>
                                <td><?= htmlspecialchars($l['project_name']) ?></td>
                                <td><span class="badge bg-light text-primary border"><?= number_format((float)$l['hours'], 2) ?> h</span></td>
                                <td>
                                    <div class="small fw-bold"><?= htmlspecialchars($l['labour_type'] ?? 'N/A') ?></div>
                                    <div class="extra-small text-muted"><?= htmlspecialchars($l['evidence_type'] ?? 'N/A') ?></div>
                                </td>
                                <td class="text-end">
                                    <button class="btn btn-sm btn-outline-secondary">Details</button>
                                </td>
                            </tr>
                            <?php endforeach; ?>
                        </tbody>
                    </table>
                </div>
            </div>

            <div class="card mb-4" id="expense-section">
                <div class="card-header d-flex justify-content-between align-items-center">
                    <span>Recent Expenses</span>
                    <button class="btn btn-sm btn-primary" data-bs-toggle="modal" data-bs-target="#addExpenseModal">+ Add Expense</button>
                </div>
                <div class="table-responsive">
                    <table class="table align-middle">
                        <thead>
                            <tr>
                                <th>Date</th>
                                <th>Supplier</th>
                                <th>Project</th>
                                <th>Amount</th>
                                <th>Allocation</th>
                                <th class="text-end">Actions</th>
                            </tr>
                        </thead>
                        <tbody>
                            <?php foreach ($expenseList as $ex): ?>
                            <tr>
                                <td><?= $ex['entry_date'] ?></td>
                                <td><strong><?= htmlspecialchars($ex['supplier_name']) ?></strong><br><small class="text-muted"><?= htmlspecialchars($ex['expense_type'] ?? '') ?></small></td>
                                <td><?= htmlspecialchars($ex['project_name']) ?></td>
                                <td><span class="fw-bold">$<?= number_format((float)$ex['amount'], 2) ?></span></td>
                                <td>
                                    <div class="progress" style="height: 6px; width: 80px;">
                                        <div class="progress-bar bg-info" role="progressbar" style="width: <?= $ex['allocation_percent'] ?>%"></div>
                                    </div>
                                    <small><?= (float)$ex['allocation_percent'] ?>% SR&ED</small>
                                </td>
                                <td class="text-end">
                                    <button class="btn btn-sm btn-outline-secondary">Details</button>
                                </td>
                            </tr>
                            <?php endforeach; ?>
                        </tbody>
                    </table>
                </div>
            </div>

            <div class="card mb-4" id="employee-section">
                <div class="card-header d-flex justify-content-between align-items-center">
                    <span>Manage Employees</span>
                    <button class="btn btn-sm btn-primary" data-bs-toggle="modal" data-bs-target="#addEmployeeModal">+ New Employee</button>
                </div>
                <div class="table-responsive">
                    <table class="table align-middle">
                        <thead>
                            <tr>
                                <th>Name</th>
                                <th>Teams</th>
                                <th>Wage</th>
                                <th>Access</th>
                                <th class="text-end">Actions</th>
                            </tr>
                        </thead>
                        <tbody>
                            <?php foreach ($employeeList as $e): ?>
                            <tr>
                                <td>
                                    <strong><?= htmlspecialchars($e['first_name'] . ' ' . $e['last_name']) ?></strong><br>
                                    <small class="text-muted"><?= htmlspecialchars($e['position']) ?></small>
                                </td>
                                <td>
                                    <?php
                                    $e_teams = db()->prepare("SELECT t.name FROM teams t JOIN employee_teams et ON t.id = et.team_id WHERE et.employee_id = ?");
                                    $e_teams->execute([$e['id']]);
                                    $t_names = $e_teams->fetchAll(PDO::FETCH_COLUMN);
                                    foreach ($t_names as $tn) {
                                        echo '<span class="badge bg-light text-dark border me-1">' . htmlspecialchars($tn) . '</span>';
                                    }
                                    ?>
                                </td>
                                <td><span class="fw-bold text-success">$<?= number_format((float)($e['current_wage'] ?? 0), 2) ?>/h</span></td>
                                <td><span class="badge <?= $e['is_limited'] ? 'bg-secondary' : 'bg-primary' ?>"><?= $e['is_limited'] ? 'Limited' : 'Regular' ?></span></td>
                                <td class="text-end">
                                    <button class="btn btn-sm btn-outline-primary" data-bs-toggle="modal" data-bs-target="#wageHistoryModal<?= $e['id'] ?>">Wages</button>
                                </td>
                            </tr>
                            <?php endforeach; ?>
                        </tbody>
                    </table>
                </div>
            </div>
        </div>

        <div class="col-lg-3">
            <div class="card">
                <div class="card-header">Activity Hub</div>
                <div class="card-body p-3">
                    <ul class="activity-feed">
                        <?php foreach ($activityList as $a): ?>
                        <li class="activity-item">
                            <div class="fw-bold small"><?= htmlspecialchars($a['action']) ?></div>
                            <div class="text-muted extra-small"><?= htmlspecialchars($a['details']) ?></div>
                            <div class="activity-time mt-1"><?= date('M d, H:i', strtotime($a['created_at'])) ?></div>
                        </li>
                        <?php endforeach; ?>
                    </ul>
                </div>
            </div>
        </div>
    </div>
</div>

<!-- Modals -->
<div class="modal fade" id="addProjectModal" tabindex="-1">
    <div class="modal-dialog modal-dialog-centered">
        <div class="modal-content border-0 shadow">
            <div class="modal-header">
                <h5 class="modal-title fw-bold">Add New Project</h5>
                <button type="button" class="btn-close" data-bs-dismiss="modal"></button>
            </div>
            <form method="POST">
                <div class="modal-body">
                    <div class="mb-3">
                        <label class="form-label small fw-bold">Project Name</label>
                        <input type="text" name="name" class="form-control" required>
                    </div>
                    <div class="mb-3">
                        <label class="form-label small fw-bold">Project Code</label>
                        <input type="text" name="code" class="form-control" required>
                    </div>
                    <div class="mb-3">
                        <label class="form-label small fw-bold">Start Date</label>
                        <input type="date" name="start_date" class="form-control" value="<?= date('Y-m-d') ?>">
                    </div>
                </div>
                <div class="modal-footer border-0">
                    <button type="submit" name="add_project" class="btn btn-primary px-4">Create Project</button>
                </div>
            </form>
        </div>
    </div>
</div>

<div class="modal fade" id="addLabourModal" tabindex="-1">
    <div class="modal-dialog modal-lg modal-dialog-centered">
        <div class="modal-content border-0 shadow">
            <div class="modal-header">
                <h5 class="modal-title fw-bold">Add Labour Tracking</h5>
                <button type="button" class="btn-close" data-bs-dismiss="modal"></button>
            </div>
            <form method="POST" enctype="multipart/form-data">
                <div class="modal-body">
                    <div class="row">
                        <div class="col-md-6 mb-3">
                            <label class="form-label small fw-bold">Project</label>
                            <select name="project_id" class="form-select" required>
                                <option value="">Select Project...</option>
                                <?php foreach ($projectList as $p): ?>
                                    <option value="<?= $p['id'] ?>"><?= htmlspecialchars($p['name']) ?></option>
                                <?php endforeach; ?>
                            </select>
                        </div>
                        <div class="col-md-6 mb-3">
                            <label class="form-label small fw-bold">Employee</label>
                            <select name="employee_id" class="form-select" required>
                                <option value="">Select Employee...</option>
                                <?php foreach ($employeeList as $e): ?>
                                    <option value="<?= $e['id'] ?>"><?= htmlspecialchars($e['first_name'] . ' ' . $e['last_name']) ?></option>
                                <?php endforeach; ?>
                            </select>
                        </div>
                        <div class="col-md-6 mb-3">
                            <label class="form-label small fw-bold">Date</label>
                            <input type="date" name="entry_date" class="form-control" value="<?= date('Y-m-d') ?>" required>
                        </div>
                        <div class="col-md-6 mb-3">
                            <label class="form-label small fw-bold">Time (Hours)</label>
                            <input type="number" name="hours" class="form-control" step="0.25" min="0" required>
                        </div>
                        <div class="col-md-6 mb-3">
                            <label class="form-label small fw-bold">Type of Labour</label>
                            <select name="labour_type_id" class="form-select">
                                <?php foreach ($labourTypeList as $lt): ?>
                                    <option value="<?= $lt['id'] ?>"><?= htmlspecialchars($lt['name']) ?></option>
                                <?php endforeach; ?>
                            </select>
                        </div>
                        <div class="col-md-6 mb-3">
                            <label class="form-label small fw-bold">Objective Evidence</label>
                            <select name="evidence_type_id" class="form-select">
                                <?php foreach ($evidenceTypeList as $et): ?>
                                    <option value="<?= $et['id'] ?>"><?= htmlspecialchars($et['name']) ?></option>
                                <?php endforeach; ?>
                            </select>
                        </div>
                        <div class="col-12 mb-3">
                            <label class="form-label small fw-bold">Attachments</label>
                            <input type="file" name="attachments[]" class="form-control" multiple>
                        </div>
                        <div class="col-12">
                            <label class="form-label small fw-bold">Notes</label>
                            <textarea name="notes" class="form-control" rows="2"></textarea>
                        </div>
                    </div>
                </div>
                <div class="modal-footer border-0">
                    <button type="submit" name="add_labour" class="btn btn-primary px-4">Save Labour</button>
                </div>
            </form>
        </div>
    </div>
</div>

<div class="modal fade" id="addEmployeeModal" tabindex="-1">
    <div class="modal-dialog modal-lg modal-dialog-centered">
        <div class="modal-content border-0 shadow">
            <div class="modal-header">
                <h5 class="modal-title fw-bold">Add New Employee</h5>
                <button type="button" class="btn-close" data-bs-dismiss="modal"></button>
            </div>
            <form method="POST">
                <div class="modal-body">
                    <div class="row">
                        <div class="col-md-6 mb-3">
                            <label class="form-label small fw-bold">First Name</label>
                            <input type="text" name="first_name" class="form-control" required>
                        </div>
                        <div class="col-md-6 mb-3">
                            <label class="form-label small fw-bold">Last Name</label>
                            <input type="text" name="last_name" class="form-control" required>
                        </div>
                        <div class="col-md-6 mb-3">
                            <label class="form-label small fw-bold">Email</label>
                            <input type="email" name="email" class="form-control">
                        </div>
                        <div class="col-md-6 mb-3">
                            <label class="form-label small fw-bold">Position</label>
                            <input type="text" name="position" class="form-control">
                        </div>
                        <div class="col-md-6 mb-3">
                            <label class="form-label small fw-bold">Start Date</label>
                            <input type="date" name="start_date" class="form-control" value="<?= date('Y-m-d') ?>">
                        </div>
                        <div class="col-md-6 mb-3">
                            <label class="form-label small fw-bold">Hourly Wage ($)</label>
                            <input type="number" name="initial_wage" class="form-control" step="0.01">
                        </div>
                        <div class="col-md-12 mb-3">
                            <label class="form-label small fw-bold d-block">Teams</label>
                            <div class="row px-2">
                                <?php foreach ($teamList as $t): ?>
                                    <div class="col-md-4 form-check">
                                        <input class="form-check-input" type="checkbox" name="teams[]" value="<?= $t['id'] ?>" id="teamCheck<?= $t['id'] ?>">
                                        <label class="form-check-label small" for="teamCheck<?= $t['id'] ?>"><?= htmlspecialchars($t['name']) ?></label>
                                    </div>
                                <?php endforeach; ?>
                            </div>
                        </div>
                        <div class="col-12">
                            <div class="form-check form-switch">
                                <input class="form-check-input" type="checkbox" name="is_limited" id="limitedCheck" checked>
                                <label class="form-check-label small fw-bold" for="limitedCheck">Limited Web Reporting (Cannot Login)</label>
                            </div>
                        </div>
                    </div>
                </div>
                <div class="modal-footer border-0">
                    <button type="submit" name="add_employee" class="btn btn-primary px-4">Create Employee</button>
                </div>
            </form>
        </div>
    </div>
</div>

<div class="modal fade" id="addTeamModal" tabindex="-1">
    <div class="modal-dialog modal-dialog-centered">
        <div class="modal-content border-0 shadow">
            <div class="modal-header">
                <h5 class="modal-title fw-bold">Add New Team</h5>
                <button type="button" class="btn-close" data-bs-dismiss="modal"></button>
            </div>
            <form method="POST">
                <div class="modal-body">
                    <div class="mb-3">
                        <label class="form-label small fw-bold">Team Name</label>
                        <input type="text" name="name" class="form-control" required>
                    </div>
                </div>
                <div class="modal-footer border-0">
                    <button type="submit" name="add_team" class="btn btn-primary px-4">Create Team</button>
                </div>
            </form>
        </div>
    </div>
</div>

<div class="modal fade" id="addExpenseModal" tabindex="-1">
    <div class="modal-dialog modal-lg modal-dialog-centered">
        <div class="modal-content border-0 shadow">
            <div class="modal-header">
                <h5 class="modal-title fw-bold">Add Expense</h5>
                <button type="button" class="btn-close" data-bs-dismiss="modal"></button>
            </div>
            <form method="POST" enctype="multipart/form-data">
                <div class="modal-body">
                    <div class="row">
                        <div class="col-md-12 mb-3">
                            <label class="form-label small fw-bold">Project</label>
                            <select name="project_id" class="form-select" required>
                                <?php foreach ($projectList as $p): ?>
                                    <option value="<?= $p['id'] ?>"><?= htmlspecialchars($p['name']) ?></option>
                                <?php endforeach; ?>
                            </select>
                        </div>
                        <div class="col-md-6 mb-3">
                            <label class="form-label small fw-bold">Supplier</label>
                            <select name="supplier_id" class="form-select" required>
                                <?php foreach ($supplierList as $s): ?>
                                    <option value="<?= $s['id'] ?>"><?= htmlspecialchars($s['name']) ?></option>
                                <?php endforeach; ?>
                            </select>
                        </div>
                        <div class="col-md-6 mb-3">
                            <label class="form-label small fw-bold">Cost Type</label>
                            <select name="expense_type_id" class="form-select">
                                <?php foreach ($expenseTypeList as $et): ?>
                                    <option value="<?= $et['id'] ?>"><?= htmlspecialchars($et['name']) ?></option>
                                <?php endforeach; ?>
                            </select>
                        </div>
                        <div class="col-md-4 mb-3">
                            <label class="form-label small fw-bold">Amount ($)</label>
                            <input type="number" name="amount" class="form-control" step="0.01" required>
                        </div>
                        <div class="col-md-4 mb-3">
                            <label class="form-label small fw-bold">Allocation (%)</label>
                            <input type="number" name="allocation_percent" class="form-control" value="100">
                        </div>
                        <div class="col-md-4 mb-3">
                            <label class="form-label small fw-bold">Date</label>
                            <input type="date" name="entry_date" class="form-control" value="<?= date('Y-m-d') ?>">
                        </div>
                        <div class="col-12">
                            <label class="form-label small fw-bold">Receipts</label>
                            <input type="file" name="attachments[]" class="form-control" multiple>
                        </div>
                    </div>
                </div>
                <div class="modal-footer border-0">
                    <button type="submit" name="add_expense" class="btn btn-primary px-4">Save Expense</button>
                </div>
            </form>
        </div>
    </div>
</div>

<div class="modal fade" id="addSupplierModal" tabindex="-1">
    <div class="modal-dialog modal-dialog-centered">
        <div class="modal-content border-0 shadow">
            <div class="modal-header">
                <h5 class="modal-title fw-bold">Add Supplier / Contractor</h5>
                <button type="button" class="btn-close" data-bs-dismiss="modal"></button>
            </div>
            <form method="POST">
                <div class="modal-body">
                    <div class="mb-3">
                        <label class="form-label small fw-bold">Name</label>
                        <input type="text" name="name" class="form-control" placeholder="Company or Individual" required>
                    </div>
                    <div class="mb-3">
                        <label class="form-label small fw-bold">Type</label>
                        <select name="type" class="form-select">
                            <option value="supplier">Supplier (Materials/Services)</option>
                            <option value="contractor">Contractor (Labour)</option>
                        </select>
                    </div>
                    <div class="mb-3">
                        <label class="form-label small fw-bold">Contact Info</label>
                        <textarea name="contact_info" class="form-control" rows="2" placeholder="Email, phone, or address"></textarea>
                    </div>
                </div>
                <div class="modal-footer border-0">
                    <button type="submit" name="add_supplier" class="btn btn-primary px-4">Save Supplier</button>
                </div>
            </form>
        </div>
    </div>
</div>

<?php foreach ($employeeList as $e): ?>
<div class="modal fade" id="wageHistoryModal<?= $e['id'] ?>" tabindex="-1">
    <div class="modal-dialog modal-dialog-centered">
        <div class="modal-content border-0 shadow">
            <div class="modal-header">
                <h5 class="modal-title fw-bold">Wage History: <?= htmlspecialchars($e['first_name']) ?></h5>
                <button type="button" class="btn-close" data-bs-dismiss="modal"></button>
            </div>
            <div class="modal-body">
                <table class="table table-sm small">
                    <thead><tr><th>Rate</th><th>Date</th></tr></thead>
                    <tbody>
                        <?php
                        $wages = db()->prepare("SELECT * FROM employee_wages WHERE employee_id = ? ORDER BY effective_date DESC");
                        $wages->execute([$e['id']]);
                        foreach ($wages->fetchAll() as $w): ?>
                            <tr><td>$<?= number_format((float)$w['hourly_rate'], 2) ?>/h</td><td><?= $w['effective_date'] ?></td></tr>
                        <?php endforeach; ?>
                    </tbody>
                </table>
                <hr>
                <form method="POST">
                    <input type="hidden" name="employee_id" value="<?= $e['id'] ?>">
                    <div class="row g-2">
                        <div class="col-6"><input type="number" name="hourly_rate" class="form-control form-control-sm" step="0.01" placeholder="New Rate" required></div>
                        <div class="col-6"><input type="date" name="effective_date" class="form-control form-control-sm" value="<?= date('Y-m-d') ?>" required></div>
                        <div class="col-12"><button type="submit" name="add_wage" class="btn btn-sm btn-primary w-100">Update Wage</button></div>
                    </div>
                </form>
            </div>
        </div>
    </div>
</div>
<?php endforeach; ?>

<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/js/bootstrap.bundle.min.js"></script>
</body>
</html>