<?php

declare(strict_types=1);

namespace App\Http\Controllers;

use App\Enums\EventStatus;
use App\Models\Client;
use App\Models\Event;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\RedirectResponse;
use Illuminate\Http\Request;
use Illuminate\View\View;

class EventController extends Controller
{
    public function index(): View
    {
        $events  = Event::with('client')->orderBy('start_time')->get();
        $clients = Client::where('status', 'active')->orderBy('name')->get();

        // Format for FullCalendar
        $calendarEvents = $events->map(fn (Event $e) => [
            'id'              => $e->id,
            'title'           => ($e->is_priority ? '⭐ ' : '') . $e->title,
            'start'           => $e->start_time->toIso8601String(),
            'end'             => $e->end_time?->toIso8601String(),
            'backgroundColor' => $e->color,
            'borderColor'     => $e->color,
            'extendedProps'   => [
                'status'   => $e->status->value,
                'client'   => $e->client?->name,
                'type'     => $e->event_type,
                'priority' => $e->is_priority,
            ],
        ]);

        return view('schedule.index', compact('events', 'clients', 'calendarEvents'));
    }

    public function store(Request $request): RedirectResponse
    {
        $validated = $request->validate([
            'title'       => 'required|string|max:255',
            'description' => 'nullable|string',
            'client_id'   => 'nullable|exists:clients,id',
            'event_type'  => 'required|in:task,meeting,deadline,posting',
            'start_time'  => 'required|date',
            'end_time'    => 'nullable|date|after:start_time',
            'location'    => 'nullable|string|max:255',
            'is_priority' => 'boolean',
            'is_all_day'  => 'boolean',
            'color'       => 'nullable|string|max:20',
            'notes'       => 'nullable|string',
        ]);

        $validated['is_priority'] = $request->boolean('is_priority');
        $validated['is_all_day']  = $request->boolean('is_all_day');

        Event::create($validated);

        return redirect()->route('schedule.index')
            ->with('success', '🐾 Event scheduled!');
    }

    public function edit(Event $event): View
    {
        $clients  = Client::where('status', 'active')->orderBy('name')->get();
        $statuses = EventStatus::cases();

        return view('schedule.edit', compact('event', 'clients', 'statuses'));
    }

    public function update(Request $request, Event $event): RedirectResponse
    {
        $validated = $request->validate([
            'title'       => 'required|string|max:255',
            'description' => 'nullable|string',
            'client_id'   => 'nullable|exists:clients,id',
            'event_type'  => 'required|in:task,meeting,deadline,posting',
            'start_time'  => 'required|date',
            'end_time'    => 'nullable|date',
            'location'    => 'nullable|string|max:255',
            'is_priority' => 'boolean',
            'status'      => 'required|in:pending,in_progress,completed,cancelled',
            'color'       => 'nullable|string|max:20',
            'notes'       => 'nullable|string',
        ]);

        $validated['is_priority'] = $request->boolean('is_priority');
        $event->update($validated);

        return redirect()->route('schedule.index')
            ->with('success', '🐾 Event updated!');
    }

    public function updateDates(Request $request, Event $event): JsonResponse
    {
        $validated = $request->validate([
            'start_time' => 'required|date',
            'end_time'   => 'nullable|date',
        ]);

        $event->update($validated);

        return response()->json(['ok' => true]);
    }

    public function destroy(Event $event): RedirectResponse
    {
        $event->delete();

        return redirect()->route('schedule.index')
            ->with('success', '🐾 Event removed.');
    }

    public function apiList(): JsonResponse
    {
        $events = Event::with('client')->get()->map(fn (Event $e) => [
            'id'              => $e->id,
            'title'           => ($e->is_priority ? '⭐ ' : '') . $e->title,
            'start'           => $e->start_time->toIso8601String(),
            'end'             => $e->end_time?->toIso8601String(),
            'backgroundColor' => $e->color,
            'borderColor'     => $e->color,
            'allDay'          => $e->is_all_day,
            'extendedProps'   => [
                'status'   => $e->status->value,
                'client'   => $e->client?->name,
                'type'     => $e->event_type,
                'priority' => $e->is_priority,
            ],
        ]);

        return response()->json($events);
    }
}