<?php

namespace Tests\Feature\Admin;

use App\Models\Member;
use App\Models\Note;
use App\Models\User;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Tests\TestCase;

class MemberNoteTest extends TestCase
{
    use RefreshDatabase;

    protected function setUp(): void
    {
        parent::setUp();
        $this->artisan('db:seed', ['--class' => 'RoleSeeder']);
    }

    protected function createAdminUser(): User
    {
        $admin = User::factory()->create();
        $admin->assignRole('admin');
        return $admin;
    }

    public function test_admin_can_create_note_for_member(): void
    {
        $admin = $this->createAdminUser();
        $member = Member::factory()->create();

        $response = $this->actingAs($admin)->postJson(
            route('admin.members.notes.store', $member),
            ['content' => 'Test note content']
        );

        $response->assertStatus(201);
        $response->assertJsonStructure([
            'note' => ['id', 'content', 'created_at', 'author'],
            'message',
        ]);
        $response->assertJson([
            'note' => [
                'content' => 'Test note content',
                'author' => [
                    'id' => $admin->id,
                    'name' => $admin->name,
                ],
            ],
            'message' => '備忘錄已新增',
        ]);

        $this->assertDatabaseHas('notes', [
            'notable_type' => 'member',
            'notable_id' => $member->id,
            'content' => 'Test note content',
            'author_user_id' => $admin->id,
        ]);
    }

    public function test_admin_can_retrieve_notes_for_member(): void
    {
        $admin = $this->createAdminUser();
        $member = Member::factory()->create();

        // Create 3 notes
        Note::factory()->forMember($member)->byAuthor($admin)->create(['content' => 'Note 1']);
        Note::factory()->forMember($member)->byAuthor($admin)->create(['content' => 'Note 2']);
        Note::factory()->forMember($member)->byAuthor($admin)->create(['content' => 'Note 3']);

        $response = $this->actingAs($admin)->getJson(
            route('admin.members.notes.index', $member)
        );

        $response->assertStatus(200);
        $response->assertJsonStructure([
            'notes' => [
                '*' => ['id', 'content', 'created_at', 'updated_at', 'author'],
            ],
        ]);

        $notes = $response->json('notes');
        $this->assertCount(3, $notes);

        // Verify each note has required fields
        foreach ($notes as $note) {
            $this->assertArrayHasKey('content', $note);
            $this->assertArrayHasKey('created_at', $note);
            $this->assertArrayHasKey('author', $note);
            $this->assertArrayHasKey('name', $note['author']);
        }
    }

    public function test_note_creation_requires_content(): void
    {
        $admin = $this->createAdminUser();
        $member = Member::factory()->create();

        $response = $this->actingAs($admin)->postJson(
            route('admin.members.notes.store', $member),
            ['content' => '']
        );

        $response->assertStatus(422);
        $response->assertJsonValidationErrors('content');
    }

    public function test_note_creation_logs_audit_trail(): void
    {
        $admin = $this->createAdminUser();
        $member = Member::factory()->create();

        $this->actingAs($admin)->postJson(
            route('admin.members.notes.store', $member),
            ['content' => 'Audit test note']
        );

        $this->assertDatabaseHas('audit_logs', [
            'action' => 'note.created',
        ]);

        // Verify the audit log has the correct metadata
        $auditLog = \App\Models\AuditLog::where('action', 'note.created')->first();
        $this->assertNotNull($auditLog);
        $this->assertEquals($admin->id, $auditLog->user_id);
        $this->assertArrayHasKey('member_id', $auditLog->metadata);
        $this->assertEquals($member->id, $auditLog->metadata['member_id']);
        $this->assertEquals($member->full_name, $auditLog->metadata['member_name']);
    }

    public function test_non_admin_cannot_create_note(): void
    {
        $user = User::factory()->create();
        // User has no admin role and no permissions
        $member = Member::factory()->create();

        $response = $this->actingAs($user)->postJson(
            route('admin.members.notes.store', $member),
            ['content' => 'Should fail']
        );

        $response->assertStatus(403);
    }

    public function test_member_list_includes_notes_count(): void
    {
        $admin = $this->createAdminUser();
        $member1 = Member::factory()->create();
        $member2 = Member::factory()->create();

        // Create 3 notes for member1, 0 notes for member2
        Note::factory()->forMember($member1)->byAuthor($admin)->count(3)->create();

        $response = $this->actingAs($admin)->get(route('admin.members.index'));

        $response->assertStatus(200);
        $response->assertViewHas('members');

        $members = $response->viewData('members');

        // Find the members in the paginated result
        $foundMember1 = $members->firstWhere('id', $member1->id);
        $foundMember2 = $members->firstWhere('id', $member2->id);

        $this->assertNotNull($foundMember1);
        $this->assertNotNull($foundMember2);
        $this->assertEquals(3, $foundMember1->notes_count);
        $this->assertEquals(0, $foundMember2->notes_count);
    }

    public function test_notes_returned_newest_first(): void
    {
        $admin = $this->createAdminUser();
        $member = Member::factory()->create();

        // Create notes with different timestamps
        $oldestNote = Note::factory()->forMember($member)->byAuthor($admin)->create([
            'content' => 'Oldest note',
            'created_at' => now()->subDays(3),
        ]);

        $middleNote = Note::factory()->forMember($member)->byAuthor($admin)->create([
            'content' => 'Middle note',
            'created_at' => now()->subDays(1),
        ]);

        $newestNote = Note::factory()->forMember($member)->byAuthor($admin)->create([
            'content' => 'Newest note',
            'created_at' => now(),
        ]);

        $response = $this->actingAs($admin)->getJson(
            route('admin.members.notes.index', $member)
        );

        $response->assertStatus(200);
        $notes = $response->json('notes');

        // Verify ordering (newest first)
        $this->assertEquals('Newest note', $notes[0]['content']);
        $this->assertEquals('Middle note', $notes[1]['content']);
        $this->assertEquals('Oldest note', $notes[2]['content']);
    }

    public function test_notes_index_returns_author_name_and_created_at(): void
    {
        $admin = $this->createAdminUser();
        $otherAdmin = User::factory()->create(['name' => '測試管理員']);
        $otherAdmin->assignRole('admin');
        $member = Member::factory()->create();

        Note::factory()->forMember($member)->byAuthor($admin)->create(['content' => 'Note by admin']);
        Note::factory()->forMember($member)->byAuthor($otherAdmin)->create(['content' => 'Note by other']);

        $response = $this->actingAs($admin)->getJson(
            route('admin.members.notes.index', $member)
        );

        $response->assertStatus(200);
        $notes = $response->json('notes');

        // Each note must have author.name and created_at for display
        foreach ($notes as $note) {
            $this->assertNotEmpty($note['author']['name']);
            $this->assertNotEmpty($note['created_at']);
        }

        // Verify different authors are represented
        $authorNames = array_column(array_column($notes, 'author'), 'name');
        $this->assertContains($admin->name, $authorNames);
        $this->assertContains('測試管理員', $authorNames);
    }

    public function test_notes_index_returns_empty_array_for_member_with_no_notes(): void
    {
        $admin = $this->createAdminUser();
        $member = Member::factory()->create();

        $response = $this->actingAs($admin)->getJson(
            route('admin.members.notes.index', $member)
        );

        $response->assertStatus(200);
        $response->assertJson(['notes' => []]);
        $this->assertCount(0, $response->json('notes'));
    }

    public function test_member_list_renders_history_panel_directives(): void
    {
        $admin = $this->createAdminUser();
        Member::factory()->create();

        $response = $this->actingAs($admin)->get(route('admin.members.index'));

        $response->assertStatus(200);
        $response->assertSee('toggleHistory', false);
        $response->assertSee('historyOpen', false);
        $response->assertSee('x-collapse', false);
        $response->assertSee('searchQuery', false);
        $response->assertSee('filteredNotes', false);
        $response->assertSee('尚無備註', false);
        $response->assertSee('aria-expanded', false);
        $response->assertSee('notes-panel-', false);
    }

    public function test_store_note_returns_note_with_author_for_cache_sync(): void
    {
        $admin = $this->createAdminUser();
        $member = Member::factory()->create();

        $response = $this->actingAs($admin)->postJson(
            route('admin.members.notes.store', $member),
            ['content' => 'Cache sync test note']
        );

        $response->assertStatus(201);
        $note = $response->json('note');

        // All fields needed for frontend cache sync
        $this->assertArrayHasKey('id', $note);
        $this->assertArrayHasKey('content', $note);
        $this->assertArrayHasKey('created_at', $note);
        $this->assertArrayHasKey('author', $note);
        $this->assertArrayHasKey('name', $note['author']);
        $this->assertEquals($admin->name, $note['author']['name']);
    }
}