<?php
session_start();
require_once 'db/config.php';

if (!isset($_SESSION['user_id']) || $_SESSION['user_role'] !== 'coach') {
    header('Location: login.php');
    exit;
}

if ($_SERVER['REQUEST_METHOD'] === 'POST') {
    $coach_id = $_SESSION['user_id'];
    $day_of_week = $_POST['day_of_week'];
    $start_time = $_POST['start_time'];
    $end_time = $_POST['end_time'];

    if (isset($day_of_week) && !empty($start_time) && !empty($end_time)) {
        try {
            $stmt = db()->prepare("INSERT INTO coach_recurring_availability (coach_id, day_of_week, start_time, end_time) VALUES (?, ?, ?, ?)");
            $stmt->execute([$coach_id, $day_of_week, $start_time, $end_time]);
            header('Location: dashboard.php?status=recurring_added');
        } catch (PDOException $e) {
            header('Location: dashboard.php?status=error');
        }
    } else {
        header('Location: dashboard.php?status=error');
    }
} else {
    header('Location: dashboard.php');
}
exit;