<?php

namespace Database\Seeders;

use App\Models\Barangay;
use App\Models\Household;
use App\Models\NotificationPreference;
use App\Models\QrCodeBatch;
use App\Models\ResidentProfile;
use App\Models\User;
use App\Services\DropOff\DropOffPointFinder;
use App\Services\Qr\BatchGenerator;
use App\Services\Qr\QrAllocator;
use Illuminate\Database\Seeder;
use Illuminate\Support\Facades\Hash;
use MatanYadaev\EloquentSpatial\Objects\Point;

/**
 * Demo resident accounts for the customer-web walkthrough. Idempotent —
 * safe to re-run. Skips QR allocation when a household already has codes.
 *
 * Logins (all password "password"):
 *   juan@verde.local  → approved household, 10 free codes (full dashboard)
 *   maria@verde.local → pending household (status banner state)
 *   pedro@verde.local → no household (lands on onboarding wizard)
 */
class DemoResidentSeeder extends Seeder
{
    public function run(QrAllocator $allocator, BatchGenerator $batchGen, DropOffPointFinder $dops): void
    {
        $barangay = Barangay::first();
        if (! $barangay) {
            $this->command->warn('No barangay seeded — run SamplePsgcSeeder first.');

            return;
        }

        // Make sure a free QR batch exists so allocateFreeToHousehold has
        // codes to hand out. Idempotent — only creates if no free batch.
        if (! QrCodeBatch::where('purpose', QrCodeBatch::PURPOSE_FREE)->exists()) {
            $batchGen->generate(quantity: 200, purpose: QrCodeBatch::PURPOSE_FREE);
            $this->command->info('Generated free QR batch (200 codes).');
        }

        // Use the barangay centroid as the demo address pin (always inside
        // the boundary so geo-resolve and DOP-finder both succeed).
        $lat = $barangay->centroid?->latitude ?? 14.6760;
        $lng = $barangay->centroid?->longitude ?? 121.0437;

        // 1) Juan — approved household + 10 free codes
        $juan = $this->createResident('juan@verde.local', '+639170000001', 'Juan', 'Dela Cruz');
        $this->createHousehold($juan, $barangay, $lat, $lng, 'approved', $allocator, $dops);

        // 2) Maria — pending household
        $maria = $this->createResident('maria@verde.local', '+639170000002', 'Maria', 'Santos');
        $this->createHousehold($maria, $barangay, $lat + 0.001, $lng + 0.001, 'pending', null, $dops);

        // 3) Pedro — no household (tests onboarding flow)
        $this->createResident('pedro@verde.local', '+639170000003', 'Pedro', 'Reyes');

        $this->command->info('Demo residents seeded:');
        $this->command->info('  juan@verde.local  → approved + 10 codes');
        $this->command->info('  maria@verde.local → pending review');
        $this->command->info('  pedro@verde.local → fresh, no household yet');
        $this->command->info('  (password for all: "password")');
    }

    private function createResident(string $email, string $phone, string $first, string $last): User
    {
        $user = User::firstOrCreate(
            ['email' => $email],
            [
                'phone' => $phone,
                'password' => Hash::make('password'),
                'first_name' => $first,
                'last_name' => $last,
                'role' => User::ROLE_RESIDENT,
                'status' => User::STATUS_ACTIVE,
                'email_verified_at' => now(),
                'phone_verified_at' => now(),
                'preferred_language' => 'en',
            ],
        );

        $user->syncRoles([User::ROLE_RESIDENT]);

        ResidentProfile::firstOrCreate(['user_id' => $user->id]);
        NotificationPreference::firstOrCreate(['user_id' => $user->id]);

        return $user;
    }

    private function createHousehold(
        User $head,
        Barangay $barangay,
        float $lat,
        float $lng,
        string $status,
        ?QrAllocator $allocator,
        DropOffPointFinder $dops,
    ): Household {
        // Auto-pick the nearest active DOP (matches the production flow
        // in HouseholdController::store).
        $dop = $dops->nearest($lat, $lng);

        $household = Household::firstOrCreate(
            ['head_user_id' => $head->id],
            [
                'barangay_id' => $barangay->id,
                'address_line' => '123 Demo Street, '.$barangay->name,
                'coordinates' => new Point($lat, $lng, 4326),
                'household_size' => 4,
                'verification_status' => $status,
                'verified_at' => $status === 'approved' ? now() : null,
                'proof_of_residency_path' => 'demo/proof.jpg',
                'assigned_drop_off_point_id' => $dop?->id,
            ],
        );

        if ($status === 'approved' && $allocator) {
            // Allocator is idempotent — skips when codes already exist.
            $allocator->allocateFreeToHousehold($household);
        }

        return $household;
    }
}