<?php

namespace Database\Seeders;

use App\Models\Client;
use App\Models\Quote;
use App\Models\QuoteLine;
use Illuminate\Database\Seeder;
use Illuminate\Support\Facades\DB;

class QuoteSeeder extends Seeder
{
    public function run(): void
    {
        $clientIds = Client::pluck('id')->toArray();
        $products   = DB::table('products')->select('id', 'prix_unitaire')->get()->keyBy('id');
        $productIds = $products->keys()->toArray();

        if (empty($clientIds) || empty($productIds)) {
            $this->command->warn('QuoteSeeder: aucun client ou produit trouvé — skip.');
            return;
        }

        // ── Statuses ──────────────────────────────────────────────────────────
        $statusPool = array_merge(
            array_fill(0, 40, 'accepte'),
            array_fill(0, 18, 'envoye'),
            array_fill(0, 8,  'brouillon'),
            array_fill(0, 10, 'refuse'),
            array_fill(0, 7,  'expire')
        );
        shuffle($statusPool);

        // ── Date entries : 2024 + 2025 + 2026 Jan-May ────────────────────────
        $entries = [];

        // 2024 (historical)
        for ($m = 1; $m <= 12; $m++) {
            for ($i = 0, $n = rand(2, 4); $i < $n; $i++) {
                $entries[] = sprintf('2024-%02d-%02d', $m, rand(1, 28));
            }
        }
        // 2025
        for ($m = 1; $m <= 12; $m++) {
            for ($i = 0, $n = rand(3, 5); $i < $n; $i++) {
                $entries[] = sprintf('2025-%02d-%02d', $m, rand(1, 28));
            }
        }
        // 2026 Jan-May
        for ($m = 1; $m <= 5; $m++) {
            $maxDay = ($m === 5) ? 8 : 28;
            for ($i = 0, $n = rand(3, 5); $i < $n; $i++) {
                $entries[] = sprintf('2026-%02d-%02d', $m, rand(1, $maxDay));
            }
        }

        shuffle($entries);

        // ── Create quotes ─────────────────────────────────────────────────────
        foreach ($entries as $idx => $quoteDate) {
            $status     = $statusPool[$idx % count($statusPool)];
            $clientId   = $clientIds[array_rand($clientIds)];
            $validUntil = date('Y-m-d', strtotime($quoteDate . ' +30 days'));

            // Build lines
            $lineData = [];
            $totalHt  = 0.0;
            for ($l = 0, $nl = rand(1, 3); $l < $nl; $l++) {
                $pid       = $productIds[array_rand($productIds)];
                $unitPrice = (float) ($products->get($pid)->prix_unitaire ?? 100.00);
                $qty       = rand(1, 3);
                $lineHt    = round($unitPrice * $qty, 2);
                $totalHt  += $lineHt;
                $lineData[] = [
                    'product_id'   => $pid,
                    'description'  => 'Prestation funéraire',
                    'qty_base'     => $qty,
                    'unit_price'   => $unitPrice,
                    'discount_pct' => 0,
                    'total_ht'     => $lineHt,
                ];
            }

            $totalTva = round($totalHt * 0.20, 2);
            $totalTtc = round($totalHt + $totalTva, 2);

            $quote = Quote::create([
                'client_id'  => $clientId,
                'status'     => $status,
                'quote_date' => $quoteDate,
                'valid_until' => $validUntil,
                'currency'   => 'EUR',
                'total_ht'   => $totalHt,
                'total_tva'  => $totalTva,
                'total_ttc'  => $totalTtc,
            ]);

            foreach ($lineData as $line) {
                QuoteLine::create(array_merge($line, ['quote_id' => $quote->id]));
            }
        }

        $this->command->info('QuoteSeeder: ' . count($entries) . ' devis créés.');
    }
}