<?php

namespace App\Http\Controllers\Bo;

use App\Http\Controllers\Controller;
use App\Models\DiscountType;
use App\Models\Promotion;
use App\Models\Product;
use Illuminate\Http\Request;

class PromotionsController extends Controller
{
    /**
     * Display a listing of the resource.
     *
     * @return \Illuminate\Http\Response
     */
    public function index()
    {
        $promotions = Promotion::all();
        return view('bo.promotions.index', compact('promotions'));
    }

    /**
     * Show the form for creating a new resource.
     *
     * @return \Illuminate\Http\Response
     */
    public function create()
    {
        $discTypes = DiscountType::all();

        $existingProds = Product::all();
        $promotion     = new Promotion();
        $selectedProds = $promotion->products;
        return view('bo.promotions.create', compact('discTypes', 'existingProds', 'selectedProds'));
    }

    /**
     * Store a newly created resource in storage.
     *
     * @param  \Illuminate\Http\Request $request
     * @return \Illuminate\Http\Response
     */
    public function store(Request $request)
    {

        $request->validate([
            'product_id' => 'required',
        ]);

        $productIds = explode(",", $request->product_id);
        $discType   = $request->discount_type_id;
        $value      = $request->discount_value;
        $date_start = $request->date_start_date . " " . $request->date_start_time;
        $date_end   = $request->date_end_date . " " . $request->date_end_time;

        $promotion                   = new Promotion();
        $promotion->discount_type_id = $discType;
        $promotion->discount_value   = $value;
        $promotion->date_start       = $date_start;
        $promotion->date_end         = $date_end;
        $promotion->save();

        // Prise en charge de la liaison avec les produits.
        $promotion->products()->sync($productIds);

        return redirect()->route('bo.promotions.index');
    }

    /**
     * Show the form for editing the specified resource.
     *
     * @param  integer $id
     * @return \Illuminate\Http\Response
     */
    public function edit(int $id)
    {
        $promotion = Promotion::findOrFail($id);
        $discTypes = DiscountType::all();

        $existingProds = Product::all();
        $selectedProds = $promotion->products;
        $existingProds = $existingProds->diff($selectedProds);

        return view('bo.promotions.edit', compact('promotion', 'discTypes', 'existingProds', 'selectedProds'));
    }

    /**
     * Update the specified resource in storage.
     *
     * @param  \Illuminate\Http\Request $request
     * @param  integer                  $id
     * @return \Illuminate\Http\Response
     */
    public function update(Request $request, int $id)
    {
        $promotion = Promotion::findOrFail($id);

        $request->validate([
            'product_id' => 'required',
        ]);

        $productIds = explode(",", $request->product_id);
        $discType   = $request->discount_type_id;
        $value      = $request->discount_value;
        $date_start = $request->date_start_date . " " . $request->date_start_time;
        $date_end   = $request->date_end_date . " " . $request->date_end_time;

        $promotion->discount_type_id = $discType;
        $promotion->discount_value   = $value;
        $promotion->date_start       = $date_start;
        $promotion->date_end         = $date_end;
        $promotion->save();

        // Prise en charge de la liaison avec les produits.
        $promotion->products()->sync($productIds);

        return redirect()->route('bo.promotions.edit', $promotion->id)->with('success', 'Modifications enregistrés !');
    }

    /**
     * Remove the specified resource from storage.
     *
     * @param  integer $id
     * @return \Illuminate\Http\Response
     */
    public function destroy(int $id)
    {
        $p = Promotion::findOrFail($id);

        // Prise en charge de la liaison avec les produits.
        $p->products()->detach();

        $p->delete();

        return redirect()->route('bo.promotions.index');
    }
}