<?php

namespace App\Http\Controllers\Admin;

use App\DB\Te\TableEngine;
use App\Http\Controllers\Controller;
use App\Models\PriceTrigger;
use Illuminate\Http\Request;
use Symfony\Component\HttpKernel\Exception\UnprocessableEntityHttpException;

class PriceTriggerController extends Controller
{
    public function table(Request $request)
    {
        $query = PriceTrigger::query()->with('customer');
        if (PriceTrigger::hasProductIdColumn()) {
            $query->with('product:id,title');
        }

        TableEngine::create($query, $request->all())
            ->initSearch(['customer_id', 'target_price', 'action', 'price_condition'])
            ->select(['*'])
            ->export($query);

        return $query;
    }

    public function store(Request $request)
    {
        $data = $this->validatedPayload($request);

        $trigger = PriceTrigger::create([
            ...$data,
            'action' => 'sms',
            'is_active' => $data['is_active'] ?? true,
        ]);

        $relations = ['customer'];
        if (PriceTrigger::hasProductIdColumn()) {
            $relations[] = 'product:id,title';
        }

        return response()->json($trigger->load($relations), 201);
    }

    public function update(Request $request, int $id)
    {
        $trigger = PriceTrigger::findOrFail($id);
        $data = $this->validatedPayload($request, true);
        $data['action'] = 'sms';

        $trigger->update($data);

        return response()->json(true);
    }

    public function toggleActive(int $id)
    {
        $trigger = PriceTrigger::findOrFail($id);
        $trigger->is_active = !$trigger->is_active;

        if ($trigger->is_active) {
            $trigger->triggered_at = null;
        }

        $trigger->save();

        return response()->json([
            'is_active' => (bool) $trigger->is_active,
        ]);
    }

    public function destroy(int $id)
    {
        PriceTrigger::findOrFail($id)->delete();

        return response()->json(true);
    }

    private function validatedPayload(Request $request, bool $partial = false): array
    {
        $rules = [
            'customer_id' => ($partial ? 'sometimes|' : '') . 'required|integer|exists:customers,id',
            'product_id' => ($partial ? 'sometimes|' : '') . 'required|integer|exists:products,id',
            'target_price' => ($partial ? 'sometimes|' : '') . 'required|numeric|min:1',
            'price_condition' => ($partial ? 'sometimes|' : '') . 'required|in:>,<',
            'action' => ($partial ? 'sometimes|' : '') . 'required|in:sms',
            'is_active' => 'sometimes|boolean',
        ];

        if (! PriceTrigger::hasProductIdColumn()) {
            unset($rules['product_id']);
        }

        $data = $request->validate($rules);

        if (isset($data['price_condition']) && !in_array($data['price_condition'], ['>', '<'], true)) {
            throw new UnprocessableEntityHttpException('شرط قیمت نامعتبر است');
        }

        return $data;
    }
}