<?php

namespace Tests\Feature;

use App\Models\Application;
use App\Models\ApplicationDocument;
use App\Models\DaerahMengundi;
use App\Models\Election;
use App\Models\Position;
use App\Models\PusatMengundi;
use App\Models\SaluranMengundi;
use App\Models\StaffAssignment;
use App\Models\User;
use Database\Seeders\DatabaseSeeder;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Illuminate\Support\Facades\Storage;
use Tests\TestCase;

class PpmApplicationReviewTest extends TestCase
{
    use RefreshDatabase;

    public function test_ppm_can_view_only_own_pusat_applications_in_list(): void
    {
        $this->seed(DatabaseSeeder::class);

        $ppm = User::query()->where('email', 'ppm@prn.local')->firstOrFail();
        $ownPusat = PusatMengundi::query()->where('code', 'PM001')->firstOrFail();
        $otherPusat = $this->otherPusat();
        $position = Position::query()->where('code', 'PAPM')->firstOrFail();

        $ownApplication = Application::factory()->create([
            'election_id' => $ownPusat->election_id,
            'pusat_mengundi_id' => $ownPusat->id,
            'requested_position_id' => $position->id,
            'name' => 'Pemohon Pusat Sendiri',
        ]);

        Application::factory()->create([
            'election_id' => $otherPusat->election_id,
            'pusat_mengundi_id' => $otherPusat->id,
            'requested_position_id' => $position->id,
            'name' => 'Pemohon Pusat Lain',
        ]);

        $this->actingAs($ppm)
            ->get(route('ppm.applications.index'))
            ->assertOk()
            ->assertSee($ownApplication->name)
            ->assertDontSee('Pemohon Pusat Lain');
    }

    public function test_ppm_cannot_view_application_outside_own_pusat(): void
    {
        $this->seed(DatabaseSeeder::class);

        $ppm = User::query()->where('email', 'ppm@prn.local')->firstOrFail();
        $position = Position::query()->where('code', 'PAPM')->firstOrFail();
        $otherPusat = $this->otherPusat();

        $application = Application::factory()->create([
            'election_id' => $otherPusat->election_id,
            'pusat_mengundi_id' => $otherPusat->id,
            'requested_position_id' => $position->id,
        ]);

        $this->actingAs($ppm)
            ->get(route('ppm.applications.show', $application->public_uuid))
            ->assertForbidden();
    }

    public function test_ppm_cannot_approve_application_without_required_documents(): void
    {
        $this->seed(DatabaseSeeder::class);

        $ppm = User::query()->where('email', 'ppm@prn.local')->firstOrFail();
        $pusat = PusatMengundi::query()->where('code', 'PM001')->firstOrFail();
        $position = Position::query()->where('code', 'PAPM')->firstOrFail();

        $application = Application::factory()->create([
            'election_id' => $pusat->election_id,
            'pusat_mengundi_id' => $pusat->id,
            'requested_position_id' => $position->id,
        ]);

        $this->actingAs($ppm)
            ->post(route('ppm.applications.approve', $application->public_uuid), [
                'approved_position_code' => 'PAPM',
            ])
            ->assertSessionHasErrors('documents');

        $this->assertDatabaseMissing('staff_assignments', [
            'application_id' => $application->id,
        ]);
    }

    public function test_ppm_can_approve_ktm_and_assign_saluran(): void
    {
        Storage::fake('local');
        $this->seed(DatabaseSeeder::class);

        $ppm = User::query()->where('email', 'ppm@prn.local')->firstOrFail();
        $pusat = PusatMengundi::query()->where('code', 'PM001')->firstOrFail();
        $position = Position::query()->where('code', 'KTM')->firstOrFail();
        $saluran = SaluranMengundi::query()
            ->where('pusat_mengundi_id', $pusat->id)
            ->where('number', '3')
            ->firstOrFail();
        $application = $this->applicationWithDocuments($pusat, $position, 'Pemohon KTM');

        $this->actingAs($ppm)
            ->post(route('ppm.applications.approve', $application->public_uuid), [
                'approved_position_code' => 'KTM',
                'saluran_mengundi_id' => $saluran->id,
                'note' => 'Diluluskan untuk Saluran 3.',
            ])
            ->assertRedirect(route('ppm.applications.show', $application->public_uuid));

        $application->refresh();

        $this->assertSame('assigned', $application->status);
        $this->assertSame($position->id, $application->approved_position_id);
        $this->assertTrue(StaffAssignment::query()
            ->where('application_id', $application->id)
            ->where('position_id', $position->id)
            ->where('saluran_mengundi_id', $saluran->id)
            ->where('status', 'active')
            ->exists());
        $this->assertTrue($application->statusHistories()->where('to_status', 'assigned')->exists());
    }

    public function test_ppm_can_change_role_and_assign_kp_to_approved_ktm(): void
    {
        Storage::fake('local');
        $this->seed(DatabaseSeeder::class);

        $ppm = User::query()->where('email', 'ppm@prn.local')->firstOrFail();
        $pusat = PusatMengundi::query()->where('code', 'PM001')->firstOrFail();
        $requestedPosition = Position::query()->where('code', 'PAPM')->firstOrFail();
        $approvedPosition = Position::query()->where('code', 'KP')->firstOrFail();
        $ktmAssignment = $this->ktmAssignment($pusat);
        $application = $this->applicationWithDocuments($pusat, $requestedPosition, 'Pemohon Ditukar KP');

        $this->actingAs($ppm)
            ->post(route('ppm.applications.approve', $application->public_uuid), [
                'approved_position_code' => 'KP',
                'ktm_assignment_id' => $ktmAssignment->id,
                'note' => 'Tukar dari PAPM ke KP.',
            ])
            ->assertRedirect(route('ppm.applications.show', $application->public_uuid));

        $application->refresh();

        $this->assertSame('assigned', $application->status);
        $this->assertSame($approvedPosition->id, $application->approved_position_id);
        $this->assertSame($ktmAssignment->id, $application->selected_ktm_assignment_id);
        $this->assertTrue(StaffAssignment::query()
            ->where('application_id', $application->id)
            ->where('position_id', $approvedPosition->id)
            ->where('reports_to_assignment_id', $ktmAssignment->id)
            ->where('status', 'active')
            ->exists());
    }

    public function test_ppm_can_reject_own_pusat_application(): void
    {
        $this->seed(DatabaseSeeder::class);

        $ppm = User::query()->where('email', 'ppm@prn.local')->firstOrFail();
        $pusat = PusatMengundi::query()->where('code', 'PM001')->firstOrFail();
        $position = Position::query()->where('code', 'PAPM')->firstOrFail();
        $application = Application::factory()->create([
            'election_id' => $pusat->election_id,
            'pusat_mengundi_id' => $pusat->id,
            'requested_position_id' => $position->id,
        ]);

        $this->actingAs($ppm)
            ->post(route('ppm.applications.reject', $application->public_uuid), [
                'reason' => 'Tidak memenuhi syarat.',
            ])
            ->assertRedirect(route('ppm.applications.show', $application->public_uuid));

        $application->refresh();

        $this->assertSame('rejected', $application->status);
        $this->assertSame('Tidak memenuhi syarat.', $application->rejection_reason);
        $this->assertTrue($application->statusHistories()->where('to_status', 'rejected')->exists());
    }

    private function otherPusat(): PusatMengundi
    {
        $election = Election::query()->where('code', 'PRN2026')->firstOrFail();
        $daerah = DaerahMengundi::factory()->forElection($election)->create([
            'code' => 'D999',
            'name' => 'Daerah Lain',
        ]);

        return PusatMengundi::factory()->create([
            'election_id' => $election->id,
            'daerah_mengundi_id' => $daerah->id,
            'code' => 'PM999',
            'name' => 'Pusat Lain',
        ]);
    }

    private function applicationWithDocuments(PusatMengundi $pusatMengundi, Position $position, string $name): Application
    {
        $application = Application::factory()->create([
            'election_id' => $pusatMengundi->election_id,
            'pusat_mengundi_id' => $pusatMengundi->id,
            'requested_position_id' => $position->id,
            'name' => $name,
        ]);

        foreach (['ic_document', 'bank_statement'] as $type) {
            $path = 'applications/'.$application->public_uuid.'/'.$type.'.pdf';
            Storage::disk('local')->put($path, 'test');

            ApplicationDocument::query()->create([
                'application_id' => $application->id,
                'document_type' => $type,
                'disk' => 'local',
                'path' => $path,
                'original_name' => $type.'.pdf',
                'mime_type' => 'application/pdf',
                'size' => 4,
            ]);
        }

        return $application;
    }

    private function ktmAssignment(PusatMengundi $pusatMengundi): StaffAssignment
    {
        $ktmPosition = Position::query()->where('code', 'KTM')->firstOrFail();

        return StaffAssignment::query()
            ->where('election_id', $pusatMengundi->election_id)
            ->where('pusat_mengundi_id', $pusatMengundi->id)
            ->where('position_id', $ktmPosition->id)
            ->where('status', 'active')
            ->whereNotNull('saluran_mengundi_id')
            ->firstOrFail();
    }
}