"use client";

import { useEffect, useState } from "react";
import Link from "next/link";
import { Location } from "@prisma/client";

export default function AdminDashboard() {
    const [locations, setLocations] = useState<Location[]>([]);
    const [loading, setLoading] = useState(true);

    const fetchLocations = async () => {
        try {
            const res = await fetch("/api/admin/locations");
            if (res.ok) {
                const data = await res.json();
                setLocations(data);
            }
        } catch (error) {
            console.error("Failed to fetch locations", error);
        } finally {
            setLoading(false);
        }
    };

    useEffect(() => {
        fetchLocations();
    }, []);

    const handleDelete = async (id: string) => {
        if (!confirm("Are you sure you want to delete this location?")) return;
        try {
            const res = await fetch(`/api/admin/locations/${id}`, {
                method: "DELETE",
            });
            if (res.ok) {
                fetchLocations();
            } else {
                alert("Failed to delete");
            }
        } catch (error) {
            console.error(error);
        }
    };

    if (loading) return <div className="text-white mt-4">Loading...</div>;

    return (
        <>
            <div className="card shadow-sm border-0 mb-4 bg-dark text-white">
                <div className="card-header bg-dark border-secondary d-flex justify-content-between align-items-center py-3">
                    <h5 className="mb-0 gsv-title">Manage Locations (Projects)</h5>
                    <Link href="/admin/new" className="btn btn-primary btn-sm">
                        + Add New Project
                    </Link>
                </div>
                <div className="card-body p-0">
                    <div className="table-responsive">
                        <table className="table table-dark table-hover mb-0">
                            <thead>
                                <tr>
                                    <th>Title</th>
                                    <th>City</th>
                                    <th>GPX Route</th>
                                    <th>Visibility</th>
                                    <th className="text-end">Actions</th>
                                </tr>
                            </thead>
                            <tbody>
                                {locations.map((loc) => (
                                    <tr key={loc.id}>
                                        <td>{loc.title}</td>
                                        <td>{loc.city}</td>
                                        <td>
                                            {loc.gpxData ? (
                                                <span className="badge bg-primary">Has Route</span>
                                            ) : (
                                                <span className="badge bg-secondary">No Route</span>
                                            )}
                                        </td>
                                        <td>
                                            <span
                                                className={`badge bg-${loc.visibility === "public" ? "success" : "secondary"
                                                    }`}
                                            >
                                                {loc.visibility}
                                            </span>
                                        </td>
                                        <td className="text-end">
                                            <Link
                                                href={`/admin/edit/${loc.id}`}
                                                className="btn btn-sm btn-outline-light me-2"
                                            >
                                                Edit
                                            </Link>
                                            <button
                                                onClick={() => handleDelete(loc.id)}
                                                className="btn btn-sm btn-outline-danger"
                                            >
                                                Delete
                                            </button>
                                        </td>
                                    </tr>
                                ))}
                                {locations.length === 0 && (
                                    <tr>
                                        <td colSpan={5} className="text-center py-4 text-muted">
                                            No locations found. Start by adding one.
                                        </td>
                                    </tr>
                                )}
                            </tbody>
                        </table>
                    </div>
                </div>
            </div>
        </>
    );
}