<?php
require_once __DIR__ . '/../config.php';

try {
    $db = db();

    // 1. Create partners table
    $db->exec("
        CREATE TABLE IF NOT EXISTS partners (
            id INT AUTO_INCREMENT PRIMARY KEY,
            name VARCHAR(255) NOT NULL,
            user_id INT UNIQUE
        )
    ");

    // 2. Add partner_id to residents table
    $db->exec("ALTER TABLE residents ADD COLUMN partner_id INT NULL");

    // 3. Create a user for a partner (if not exists)
    $partner_email = 'partner@goodwill.example';
    $stmt = $db->prepare("SELECT id FROM users WHERE email = ?");
    $stmt->execute([$partner_email]);
    $partner_user_id = $stmt->fetchColumn();

    if (!$partner_user_id) {
        $db->prepare("INSERT INTO users (email, password, role) VALUES (?, ?, ?)")->execute([$partner_email, password_hash('password123', PASSWORD_DEFAULT), 'partner']);
        $partner_user_id = $db->lastInsertId();
    }

    // 4. Create a partner profile
    $stmt = $db->prepare("SELECT id FROM partners WHERE user_id = ?");
    $stmt->execute([$partner_user_id]);
    $partner_id = $stmt->fetchColumn();

    if (!$partner_id) {
        $db->prepare("INSERT INTO partners (name, user_id) VALUES (?, ?)")->execute(['Goodwill Housing', $partner_user_id]);
        $partner_id = $db->lastInsertId();
    }

    // 5. Assign some residents to the partner
    $db->exec("UPDATE residents SET partner_id = {$partner_id} WHERE program = 'Housing'");

    echo "Database schema updated successfully for partner feature.";

} catch (PDOException $e) {
    die("Database migration failed: " . $e->getMessage());
}