<?php

use App\Models\Idea;
use App\Models\Project;
use App\Models\Task;
use App\Models\TaskComment;

// ==================== PROJECTS API TESTS ====================

// Projects - Index
test('it lists all projects', function () {
    Project::factory()->count(3)->create();

    $response = $this->getJson('/api/projects');

    $response->assertOk()->assertJsonCount(3, 'data');
});

test('it filters projects by status', function () {
    Project::factory()->create(['status' => 'active']);
    Project::factory()->create(['status' => 'completed']);
    Project::factory()->create(['status' => 'archived']);

    $response = $this->getJson('/api/projects?status=active');

    $response->assertOk()
        ->assertJsonCount(1, 'data')
        ->assertJsonPath('data.0.status', 'active');
});

test('it filters projects by name', function () {
    Project::factory()->create(['name' => 'Alpha Project']);
    Project::factory()->create(['name' => 'Beta Project']);
    Project::factory()->create(['name' => 'Gamma Project']);

    $response = $this->getJson('/api/projects?name=Alpha');

    $response->assertOk()
        ->assertJsonCount(1, 'data')
        ->assertJsonPath('data.0.name', 'Alpha Project');
});

test('it includes tasks when requested', function () {
    $project = Project::factory()->create();
    Task::factory()->count(2)->create(['project_id' => $project->id]);

    $response = $this->getJson('/api/projects?with_tasks=1');

    $response->assertOk()
        ->assertJsonPath('data.0.task_count', 2);
});

test('it shows a single project', function () {
    $project = Project::factory()->create(['name' => 'Test Project']);

    $response = $this->getJson("/api/projects/{$project->id}");

    $response->assertOk()->assertJsonPath('data.name', 'Test Project');
});

test('it returns 404 for a missing project', function () {
    $this->getJson('/api/projects/999')->assertNotFound();
});

// Projects - Store
test('it creates a project', function () {
    $data = [
        'name' => 'New Project',
        'description' => 'A new test project',
        'status' => 'planned',
        'due_at' => now()->addDays(30)->toDateTimeString(),
    ];

    $response = $this->postJson('/api/projects', $data);

    $response->assertCreated()
        ->assertJsonPath('data.name', 'New Project')
        ->assertJsonPath('data.status', 'planned');

    $this->assertDatabaseHas('projects', ['name' => 'New Project']);
});

// Projects - Update
test('it updates a project', function () {
    $project = Project::factory()->create(['name' => 'Original Name']);

    $data = [
        'name' => 'Updated Name',
        'description' => 'Updated description',
        'status' => 'active',
    ];

    $response = $this->putJson("/api/projects/{$project->id}", $data);

    $response->assertOk()
        ->assertJsonPath('data.name', 'Updated Name')
        ->assertJsonPath('data.description', 'Updated description');

    $this->assertDatabaseHas('projects', ['name' => 'Updated Name']);
});

// Projects - Destroy
test('it deletes a project', function () {
    $project = Project::factory()->create();

    $response = $this->deleteJson("/api/projects/{$project->id}");

    $response->assertNoContent();

    $this->assertSoftDeleted($project);
});

// Projects - Tasks Endpoint
test('it lists tasks for a project', function () {
    $project = Project::factory()->create();
    Task::factory()->count(3)->create(['project_id' => $project->id]);
    Task::factory()->count(2)->create(); // Tasks not in this project

    $response = $this->getJson("/api/projects/{$project->id}/tasks");

    $response->assertOk()->assertJsonCount(3, 'data');
});

// ==================== TASKS API TESTS ====================

// Tasks - Index
test('it lists all tasks', function () {
    Task::factory()->count(5)->create();

    $response = $this->getJson('/api/tasks');

    $response->assertOk()->assertJsonCount(5, 'data');
});

test('it filters tasks by status', function () {
    Task::factory()->create(['status' => 'todo']);
    Task::factory()->create(['status' => 'in_progress']);
    Task::factory()->create(['status' => 'done']);

    $response = $this->getJson('/api/tasks?status=in_progress');

    $response->assertOk()
        ->assertJsonCount(1, 'data')
        ->assertJsonPath('data.0.status', 'in_progress');
});

test('it filters tasks by priority', function () {
    Task::factory()->create(['priority' => 5]);
    Task::factory()->create(['priority' => 3]);
    Task::factory()->create(['priority' => 5]);

    $response = $this->getJson('/api/tasks?priority=5');

    $response->assertOk()->assertJsonCount(2, 'data');
});

test('it includes comments when requested', function () {
    $task = Task::factory()->create();
    TaskComment::factory()->count(2)->create(['task_id' => $task->id]);

    $response = $this->getJson('/api/tasks?with_comments=1');

    $response->assertOk()
        ->assertJsonPath('data.0.comment_count', 2);
});

// Tasks - Show
test('it shows a single task', function () {
    $task = Task::factory()->create(['title' => 'Test Task']);

    $response = $this->getJson("/api/tasks/{$task->id}");

    $response->assertOk()->assertJsonPath('data.title', 'Test Task');
});

// Tasks - Store
test('it creates a task', function () {
    $project = Project::factory()->create();

    $data = [
        'title' => 'New Task',
        'description' => 'A new test task',
        'status' => 'todo',
        'project_id' => $project->id,
        'priority' => 5,
        'due_at' => now()->addDays(7)->toDateTimeString(),
        'estimated_hours' => 4,
    ];

    $response = $this->postJson('/api/tasks', $data);

    $response->assertCreated()
        ->assertJsonPath('data.title', 'New Task')
        ->assertJsonPath('data.priority', 5);

    $this->assertDatabaseHas('tasks', ['title' => 'New Task']);
});

// Tasks - Update
test('it updates a task', function () {
    $task = Task::factory()->create(['title' => 'Original Title']);

    $data = [
        'title' => 'Updated Title',
        'status' => 'in_progress',
        'priority' => 8,
    ];

    $response = $this->putJson("/api/tasks/{$task->id}", $data);

    $response->assertOk()
        ->assertJsonPath('data.title', 'Updated Title')
        ->assertJsonPath('data.status', 'in_progress');

    $this->assertDatabaseHas('tasks', ['title' => 'Updated Title']);
});

// Tasks - Destroy
test('it deletes a task', function () {
    $task = Task::factory()->create();

    $response = $this->deleteJson("/api/tasks/{$task->id}");

    $response->assertNoContent();

    $this->assertSoftDeleted($task);
});

// Tasks - Comments Endpoint
test('it lists comments for a task', function () {
    $task = Task::factory()->create();
    TaskComment::factory()->count(3)->create(['task_id' => $task->id]);

    $response = $this->getJson("/api/tasks/{$task->id}/comments");

    $response->assertOk()->assertJsonCount(3, 'data');
});

// Tasks - Change Status
test('it changes task status', function () {
    $task = Task::factory()->create(['status' => 'todo']);

    $response = $this->postJson("/api/tasks/{$task->id}/status", [
        'status' => 'in_progress',
    ]);

    $response->assertOk();
    
    $task->refresh();
    $this->assertEquals('in_progress', $task->status);
});

// ==================== TASK COMMENTS API TESTS ====================

// Task Comments - Index
test('it lists all task comments for a task', function () {
    $task = Task::factory()->create();
    TaskComment::factory()->count(4)->create(['task_id' => $task->id]);

    $response = $this->getJson("/api/tasks/{$task->id}/comments");

    $response->assertOk()->assertJsonCount(4, 'data');
});

test('it shows a single task comment', function () {
    $comment = TaskComment::factory()->create(['body' => 'Test Comment']);

    $response = $this->getJson("/api/comments/{$comment->id}");

    $response->assertOk()->assertJsonPath('data.body', 'Test Comment');
});

// Task Comments - Store
test('it creates a task comment', function () {
    $task = Task::factory()->create();

    $data = [
        'body' => 'New comment from AI',
        'author_type' => 'ai',
        'author_name' => 'AI Assistant',
    ];

    $response = $this->postJson("/api/tasks/{$task->id}/comments", $data);

    $response->assertCreated()
        ->assertJsonPath('data.body', 'New comment from AI')
        ->assertJsonPath('data.author_type', 'ai');

    $this->assertDatabaseHas('task_comments', ['body' => 'New comment from AI']);
});

// Task Comments - Update
test('it updates a task comment', function () {
    $comment = TaskComment::factory()->create(['body' => 'Original Comment']);

    $data = [
        'body' => 'Updated Comment',
    ];

    $response = $this->putJson("/api/comments/{$comment->id}", $data);

    $response->assertOk()
        ->assertJsonPath('data.body', 'Updated Comment');

    $this->assertDatabaseHas('task_comments', ['body' => 'Updated Comment']);
});

// Task Comments - Destroy
test('it deletes a task comment', function () {
    $comment = TaskComment::factory()->create();

    $response = $this->deleteJson("/api/comments/{$comment->id}");

    $response->assertNoContent();

    $this->assertSoftDeleted($comment);
});

// ==================== IDEAS API TESTS ====================

// Ideas - Index
test('it lists all ideas', function () {
    Idea::factory()->count(5)->create();

    $response = $this->getJson('/api/ideas');

    $response->assertOk()->assertJsonCount(5, 'data');
});

test('it filters ideas by status', function () {
    Idea::factory()->create(['status' => 'new']);
    Idea::factory()->create(['status' => 'considered']);
    Idea::factory()->create(['status' => 'planned']);

    $response = $this->getJson('/api/ideas?status=considered');

    $response->assertOk()
        ->assertJsonCount(1, 'data')
        ->assertJsonPath('data.0.status', 'considered');
});

test('it filters ideas by category', function () {
    Idea::factory()->feature()->create();
    Idea::factory()->improvement()->create();
    Idea::factory()->bugfix()->create();

    $response = $this->getJson('/api/ideas?category=feature');

    $response->assertOk()
        ->assertJsonCount(1, 'data')
        ->assertJsonPath('data.0.category', 'feature');
});

test('it filters unlinked ideas', function () {
    Idea::factory()->create(['project_id' => null]);
    Idea::factory()->withProject()->create();

    $response = $this->getJson('/api/ideas?unlinked=1');

    $response->assertOk()->assertJsonCount(1, 'data');
});

test('it filters ideas by project', function () {
    $project = Project::factory()->create();
    Idea::factory()->count(2)->withProject($project)->create();
    Idea::factory()->count(3)->create();

    $response = $this->getJson("/api/ideas?project_id={$project->id}");

    $response->assertOk()->assertJsonCount(2, 'data');
});

test('it searches ideas', function () {
    Idea::factory()->create(['title' => 'AI Integration']);
    Idea::factory()->create(['title' => 'Database Optimization']);

    $response = $this->getJson('/api/ideas?search=AI');

    $response->assertOk()
        ->assertJsonCount(1, 'data')
        ->assertJsonPath('data.0.title', 'AI Integration');
});

// Ideas - Show
test('it shows a single idea', function () {
    $idea = Idea::factory()->create(['title' => 'Test Idea']);

    $response = $this->getJson("/api/ideas/{$idea->id}");

    $response->assertOk()->assertJsonPath('data.title', 'Test Idea');
});

// Ideas - Store
test('it creates an idea', function () {
    $data = [
        'title' => 'New Idea',
        'description' => 'A great new idea',
        'status' => 'new',
        'category' => 'feature',
        'priority' => 5,
        'tags' => 'ai,automation,innovation',
    ];

    $response = $this->postJson('/api/ideas', $data);

    $response->assertCreated()
        ->assertJsonPath('data.title', 'New Idea')
        ->assertJsonPath('data.category', 'feature');

    $this->assertDatabaseHas('ideas', ['title' => 'New Idea']);
});

// Ideas - Update
test('it updates an idea', function () {
    $idea = Idea::factory()->create(['title' => 'Original Title']);

    $data = [
        'title' => 'Updated Title',
        'status' => 'considered',
        'category' => 'improvement',
    ];

    $response = $this->putJson("/api/ideas/{$idea->id}", $data);

    $response->assertOk()
        ->assertJsonPath('data.title', 'Updated Title')
        ->assertJsonPath('data.status', 'considered');

    $this->assertDatabaseHas('ideas', ['title' => 'Updated Title']);
});

// Ideas - Destroy
test('it deletes an idea', function () {
    $idea = Idea::factory()->create();

    $response = $this->deleteJson("/api/ideas/{$idea->id}");

    $response->assertNoContent();

    $this->assertSoftDeleted($idea);
});

// Ideas - Change Status
test('it changes idea status', function () {
    $idea = Idea::factory()->create(['status' => 'new']);

    $response = $this->postJson("/api/ideas/{$idea->id}/status", [
        'status' => 'considered',
    ]);

    $response->assertOk();
    
    $idea->refresh();
    $this->assertEquals('considered', $idea->status);
});

// Ideas - Link to Project
test('it links idea to project', function () {
    $idea = Idea::factory()->create(['project_id' => null]);
    $project = Project::factory()->create();

    $response = $this->postJson("/api/ideas/{$idea->id}/link-project", [
        'project_id' => $project->id,
    ]);

    $response->assertOk();
    
    $idea->refresh();
    $this->assertEquals($project->id, $idea->project_id);
});

// Ideas - Unlink from Project
test('it unlinks idea from project', function () {
    $project = Project::factory()->create();
    $idea = Idea::factory()->withProject($project)->create();

    $response = $this->postJson("/api/ideas/{$idea->id}/unlink-project");

    $response->assertOk();
    
    $idea->refresh();
    $this->assertNull($idea->project_id);
});

// ==================== DATA FACTORIES TESTS ====================

// Test that factories work correctly
test('project factory creates valid projects', function () {
    $project = Project::factory()->create();

    $this->assertNotNull($project->name);
    $this->assertContains($project->status, Project::STATUSES);
});

test('task factory creates valid tasks', function () {
    $task = Task::factory()->create();

    $this->assertNotNull($task->title);
    $this->assertContains($task->status, Task::STATUSES);
    $this->assertNotNull($task->project_id);
});

test('task comment factory creates valid comments', function () {
    $comment = TaskComment::factory()->create();

    $this->assertNotNull($comment->body);
    $this->assertContains($comment->author_type, TaskComment::AUTHOR_TYPES);
    $this->assertNotNull($comment->task_id);
});

test('idea factory creates valid ideas', function () {
    $idea = Idea::factory()->create();

    $this->assertNotNull($idea->title);
    $this->assertContains($idea->status, Idea::STATUSES);
});