<?php

namespace Tests\Browser;

use App\Models\Issue;
use App\Models\IssueLabel;
use App\Models\User;
use Illuminate\Foundation\Testing\DatabaseMigrations;
use Illuminate\Support\Facades\Hash;
use Laravel\Dusk\Browser;
use Tests\DuskTestCase;

/**
 * Issue Tracker Browser Tests
 *
 * Tests the issue tracking user interface and user experience.
 */
class IssueTrackerBrowserTest extends DuskTestCase
{
    use DatabaseMigrations;

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

    /**
     * Create an admin user
     */
    protected function createAdmin(): User
    {
        $user = User::factory()->create([
            'email' => 'admin@test.com',
            'password' => Hash::make('password'),
        ]);
        $user->assignRole('admin');

        return $user;
    }

    /**
     * Test issue list page loads
     */
    public function test_issue_list_page_loads(): void
    {
        $admin = $this->createAdmin();

        $this->browse(function (Browser $browser) use ($admin) {
            $browser->loginAs($admin)
                ->visit(route('admin.issues.index'))
                ->assertSee('議題列表');
        });
    }

    /**
     * Test can create new issue
     */
    public function test_can_create_new_issue(): void
    {
        $admin = $this->createAdmin();

        $this->browse(function (Browser $browser) use ($admin) {
            $browser->loginAs($admin)
                ->visit(route('admin.issues.create'))
                ->assertSee('新增議題')
                ->type('title', '測試議題標題')
                ->type('description', '這是測試議題描述')
                ->select('priority', Issue::PRIORITY_HIGH)
                ->press('建立')
                ->waitForLocation('/admin/issues/*')
                ->assertSee('測試議題標題');
        });
    }

    /**
     * Test issue shows status badge
     */
    public function test_issue_shows_status_badge(): void
    {
        $admin = $this->createAdmin();

        Issue::factory()->create([
            'created_by_user_id' => $admin->id,
            'title' => '狀態測試議題',
            'status' => Issue::STATUS_IN_PROGRESS,
        ]);

        $this->browse(function (Browser $browser) use ($admin) {
            $browser->loginAs($admin)
                ->visit(route('admin.issues.index'))
                ->assertSee('狀態測試議題')
                ->assertSee('進行中');
        });
    }

    /**
     * Test can assign issue
     */
    public function test_can_assign_issue(): void
    {
        $admin = $this->createAdmin();
        $assignee = User::factory()->create(['name' => '被指派者']);

        $issue = Issue::factory()->create([
            'created_by_user_id' => $admin->id,
            'assignee_id' => null,
        ]);

        $this->browse(function (Browser $browser) use ($admin, $issue) {
            $browser->loginAs($admin)
                ->visit(route('admin.issues.show', $issue))
                ->assertSee('指派')
                ->select('assignee_id', '被指派者');
        });
    }

    /**
     * Test can add comment
     */
    public function test_can_add_comment(): void
    {
        $admin = $this->createAdmin();

        $issue = Issue::factory()->create([
            'created_by_user_id' => $admin->id,
        ]);

        $this->browse(function (Browser $browser) use ($admin, $issue) {
            $browser->loginAs($admin)
                ->visit(route('admin.issues.show', $issue))
                ->type('content', '這是一則測試留言')
                ->press('新增留言')
                ->waitForText('這是一則測試留言')
                ->assertSee('這是一則測試留言');
        });
    }

    /**
     * Test can change issue status
     */
    public function test_can_change_issue_status(): void
    {
        $admin = $this->createAdmin();

        $issue = Issue::factory()->create([
            'created_by_user_id' => $admin->id,
            'status' => Issue::STATUS_NEW,
        ]);

        $this->browse(function (Browser $browser) use ($admin, $issue) {
            $browser->loginAs($admin)
                ->visit(route('admin.issues.show', $issue))
                ->select('status', Issue::STATUS_IN_PROGRESS)
                ->press('更新狀態')
                ->waitForText('進行中');
        });
    }

    /**
     * Test can filter by status
     */
    public function test_can_filter_by_status(): void
    {
        $admin = $this->createAdmin();

        Issue::factory()->create([
            'created_by_user_id' => $admin->id,
            'title' => '新議題',
            'status' => Issue::STATUS_NEW,
        ]);

        Issue::factory()->create([
            'created_by_user_id' => $admin->id,
            'title' => '已關閉議題',
            'status' => Issue::STATUS_CLOSED,
        ]);

        $this->browse(function (Browser $browser) use ($admin) {
            $browser->loginAs($admin)
                ->visit(route('admin.issues.index'))
                ->select('status', Issue::STATUS_NEW)
                ->press('篩選')
                ->assertSee('新議題')
                ->assertDontSee('已關閉議題');
        });
    }

    /**
     * Test can filter by priority
     */
    public function test_can_filter_by_priority(): void
    {
        $admin = $this->createAdmin();

        Issue::factory()->create([
            'created_by_user_id' => $admin->id,
            'title' => '高優先議題',
            'priority' => Issue::PRIORITY_HIGH,
        ]);

        Issue::factory()->create([
            'created_by_user_id' => $admin->id,
            'title' => '低優先議題',
            'priority' => Issue::PRIORITY_LOW,
        ]);

        $this->browse(function (Browser $browser) use ($admin) {
            $browser->loginAs($admin)
                ->visit(route('admin.issues.index'))
                ->select('priority', Issue::PRIORITY_HIGH)
                ->press('篩選')
                ->assertSee('高優先議題')
                ->assertDontSee('低優先議題');
        });
    }

    /**
     * Test issue number is displayed
     */
    public function test_issue_number_is_displayed(): void
    {
        $admin = $this->createAdmin();

        $issue = Issue::factory()->create([
            'created_by_user_id' => $admin->id,
        ]);

        $this->browse(function (Browser $browser) use ($admin, $issue) {
            $browser->loginAs($admin)
                ->visit(route('admin.issues.show', $issue))
                ->assertSee($issue->issue_number);
        });
    }

    /**
     * Test can add labels to issue
     */
    public function test_can_add_labels_to_issue(): void
    {
        $admin = $this->createAdmin();
        $label = IssueLabel::factory()->create(['name' => '緊急']);

        $issue = Issue::factory()->create([
            'created_by_user_id' => $admin->id,
        ]);

        $this->browse(function (Browser $browser) use ($admin, $issue) {
            $browser->loginAs($admin)
                ->visit(route('admin.issues.show', $issue))
                ->assertPresent('.labels-section');
        });
    }
}