<?php

namespace Tests\Feature;

use App\Models\Exercise;
use App\Models\User;
use App\Models\Workout;
use App\Models\WorkoutExercise;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Tests\TestCase;

class WorkoutCommunityTest extends TestCase
{
    use RefreshDatabase;

    public function test_community_index_only_lists_public_workouts(): void
    {
        $user = User::factory()->create();
        $public = Workout::factory()->create(['user_id' => $user->id, 'is_public' => true, 'title' => 'Public One']);
        Workout::factory()->create(['user_id' => $user->id, 'is_public' => false, 'title' => 'Private One']);

        $response = $this->actingAs($user)->get(route('workouts.community'));

        $response->assertOk();
        $response->assertSee('Public One');
        $response->assertDontSee('Private One');
    }

    public function test_community_index_can_search_by_title(): void
    {
        $user = User::factory()->create();
        Workout::factory()->create(['user_id' => $user->id, 'is_public' => true, 'title' => 'Leg Day Blast']);
        Workout::factory()->create(['user_id' => $user->id, 'is_public' => true, 'title' => 'Upper Body Push']);

        $response = $this->actingAs($user)->get(route('workouts.community', ['q' => 'Leg']));

        $response->assertOk();
        $response->assertSee('Leg Day Blast');
        $response->assertDontSee('Upper Body Push');
    }

    public function test_owner_can_toggle_a_workout_public(): void
    {
        $user = User::factory()->create();
        $workout = Workout::factory()->create(['user_id' => $user->id, 'is_public' => false]);

        $this->actingAs($user)->post(route('workouts.toggle-public', $workout));

        $this->assertTrue($workout->fresh()->is_public);

        $this->actingAs($user)->post(route('workouts.toggle-public', $workout));

        $this->assertFalse($workout->fresh()->is_public);
    }

    public function test_other_user_cannot_toggle_someone_elses_workout_public(): void
    {
        $owner = User::factory()->create();
        $other = User::factory()->create();
        $workout = Workout::factory()->create(['user_id' => $owner->id, 'is_public' => false]);

        $response = $this->actingAs($other)->post(route('workouts.toggle-public', $workout));

        $response->assertForbidden();
        $this->assertFalse($workout->fresh()->is_public);
    }

    public function test_any_user_can_view_a_public_workout(): void
    {
        $owner = User::factory()->create();
        $viewer = User::factory()->create();
        $workout = Workout::factory()->create(['user_id' => $owner->id, 'is_public' => true, 'title' => 'Full Body Blast']);

        $response = $this->actingAs($viewer)->get(route('workouts.show', $workout));

        $response->assertOk();
        $response->assertSee('Full Body Blast');
    }

    public function test_viewer_of_a_public_workout_cannot_manage_its_exercises(): void
    {
        $owner = User::factory()->create();
        $viewer = User::factory()->create();
        $workout = Workout::factory()->create(['user_id' => $owner->id, 'is_public' => true]);
        $exercise = Exercise::factory()->create();

        $response = $this->actingAs($viewer)->get(route('workouts.show', $workout));
        $response->assertOk();
        $response->assertDontSee('Add Exercise');

        $addResponse = $this->actingAs($viewer)->post(route('workouts.exercises.add', $workout), [
            'exercise_id' => $exercise->id,
        ]);
        $addResponse->assertForbidden();
    }

    public function test_non_owner_cannot_view_a_private_workout(): void
    {
        $owner = User::factory()->create();
        $viewer = User::factory()->create();
        $workout = Workout::factory()->create(['user_id' => $owner->id, 'is_public' => false]);

        $response = $this->actingAs($viewer)->get(route('workouts.show', $workout));

        $response->assertForbidden();
    }

    public function test_user_can_copy_a_public_workout_with_its_exercises(): void
    {
        $owner = User::factory()->create();
        $copier = User::factory()->create();
        $workout = Workout::factory()->create([
            'user_id' => $owner->id,
            'is_public' => true,
            'title' => 'Original Workout',
            'estimated_minutes' => 45,
        ]);
        WorkoutExercise::factory()->create(['workout_id' => $workout->id, 'sets' => 4, 'reps' => 6]);

        $response = $this->actingAs($copier)->post(route('workouts.copy', $workout));

        $response->assertRedirect();
        $this->assertDatabaseHas('workouts', [
            'user_id' => $copier->id,
            'title' => 'Original Workout (copy)',
            'estimated_minutes' => 45,
        ]);
        $copiedWorkout = Workout::where('user_id', $copier->id)->firstOrFail();
        $this->assertEquals(1, $copiedWorkout->items()->count());
        $this->assertEquals(4, $copiedWorkout->items()->first()->sets);

        // The original is untouched
        $this->assertEquals(1, $workout->fresh()->items()->count());
    }

    public function test_user_cannot_copy_a_private_workout_they_do_not_own(): void
    {
        $owner = User::factory()->create();
        $other = User::factory()->create();
        $workout = Workout::factory()->create(['user_id' => $owner->id, 'is_public' => false]);

        $response = $this->actingAs($other)->post(route('workouts.copy', $workout));

        $response->assertForbidden();
    }

    public function test_owner_can_copy_their_own_private_workout(): void
    {
        $owner = User::factory()->create();
        $workout = Workout::factory()->create(['user_id' => $owner->id, 'is_public' => false]);

        $response = $this->actingAs($owner)->post(route('workouts.copy', $workout));

        $response->assertRedirect();
        $this->assertEquals(2, Workout::where('user_id', $owner->id)->count());
    }
}