<?php

namespace App\Http\Controllers\Api;

use App\Http\Controllers\Controller;
use App\Services\Api\ApiService;
use Illuminate\Http\Request;

class PromotionsController extends Controller
{
    protected ApiService $apiService;

    public function __construct(ApiService $apiService)
    {
        $this->apiService = $apiService;
    }

    public function index()
    {
        try {
            $response = $this->apiService->get('/promotions');
            
            if ($response->successful()) {
                return view('pages.promotions', [
                    'promotions' => $response->json()['data']
                ]);
            }

            return back()->with('error', 'Unable to fetch promotions.');
        } catch (\Exception $e) {
            return back()->with('error', 'Service unavailable.');
        }
    }

    public function store(Request $request)
    {
        $validated = $request->validate([
            'title' => 'required|string|max:255',
            'type' => 'required|string',
            'startDate' => 'required|date',
            'endDate' => 'required|date|after:startDate',
            'description' => 'nullable|string',
            'terms_conditions' => 'nullable|string',
        ]);

        try {
            $response = $this->apiService->post('/promotions', $validated);

            if ($response->successful()) {
                return redirect()->route('promotions')
                    ->with('success', 'Promotion created successfully.');
            }

            return back()->withErrors($response->json()['errors']);
        } catch (\Exception $e) {
            return back()->with('error', 'Unable to create promotion.');
        }
    }

    public function update(Request $request, $id)
    {
        $validated = $request->validate([
            'title' => 'required|string|max:255',
            'type' => 'required|string',
            'startDate' => 'required|date',
            'endDate' => 'required|date|after:startDate',
            'description' => 'nullable|string',
            'terms_conditions' => 'nullable|string',
        ]);

        try {
            $response = $this->apiService->put("/promotions/{$id}", $validated);

            if ($response->successful()) {
                return redirect()->route('promotions')
                    ->with('success', 'Promotion updated successfully.');
            }

            return back()->withErrors($response->json()['errors']);
        } catch (\Exception $e) {
            return back()->with('error', 'Unable to update promotion.');
        }
    }

    public function destroy($id)
    {
        try {
            $response = $this->apiService->delete("/promotions/{$id}");

            if ($response->successful()) {
                return redirect()->route('promotions')
                    ->with('success', 'Promotion deleted successfully.');
            }

            return back()->with('error', 'Unable to delete promotion.');
        } catch (\Exception $e) {
            return back()->with('error', 'Service unavailable.');
        }
    }

    public function batchDestroy(Request $request)
    {
        $ids = $request->validate([
            'ids' => 'required|array',
            'ids.*' => 'required|integer'
        ]);

        try {
            $response = $this->apiService->post("/promotions/batch-delete", $ids);

            if ($response->successful()) {
                return response()->json(['message' => 'Promotions deleted successfully']);
            }

            return response()->json(['error' => 'Unable to delete promotions'], 400);
        } catch (\Exception $e) {
            return response()->json(['error' => 'Service unavailable'], 503);
        }
    }
}