<?php

namespace Tests\Feature;

use App\Models\Dish;
use App\Models\Planner;
use App\Models\Schedule;
use App\Models\ScheduledUserDish;
use App\Models\User;
use App\Models\UserDish;
use DishPlanner\Schedule\Actions\UpdateScheduleAction;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Tests\TestCase;

class DashboardTest extends TestCase
{
    use RefreshDatabase;

    public function test_dashboard_renders_with_zero_stats_for_an_empty_planner(): void
    {
        $planner = Planner::factory()->create();

        $this->actingAs($planner)
            ->get('/dashboard')
            ->assertOk()
            ->assertViewIs('dashboard')
            ->assertSee('DASHBOARD')
            ->assertSee('Dishes')
            ->assertSee('Users')
            ->assertSee('Meals this month')
            ->assertSee('No users yet.')
            ->assertViewHas('stats', fn (array $stats) => $stats['dish_count'] === 0
                && $stats['user_count'] === 0
                && $stats['meals_this_month'] === 0
                && $stats['favorite_dishes']->isEmpty());
    }

    public function test_dashboard_shows_dish_and_user_counts(): void
    {
        $planner = Planner::factory()->create();
        Dish::factory()->planner($planner)->count(3)->create();
        User::factory()->planner($planner)->count(2)->create();

        $this->actingAs($planner)
            ->get('/dashboard')
            ->assertOk()
            ->assertSee('Favorite dishes')
            ->assertSee('No meals yet')
            ->assertViewHas('stats', fn (array $stats) => $stats['dish_count'] === 3
                && $stats['user_count'] === 2
                && $stats['favorite_dishes']->count() === 2
                && $stats['favorite_dishes']->every(fn (array $favorite) => $favorite['dish'] === null && $favorite['count'] === 0));
    }

    public function test_dashboard_counts_only_non_skipped_meals_this_month(): void
    {
        $planner = Planner::factory()->create();
        $user = User::factory()->planner($planner)->create();
        $dish = Dish::factory()->planner($planner)->create();
        $userDish = UserDish::factory()->user($user)->dish($dish)->create();

        $date = now()->startOfMonth()->addDays(5);
        $scheduled = Schedule::factory()->planner($planner)->date($date)->create();
        $skipped = Schedule::factory()->planner($planner)->date($date->copy()->addDay())->create();

        ScheduledUserDish::factory()->schedule($scheduled)->user($user)->userDish($userDish)->create();
        ScheduledUserDish::factory()->schedule($skipped)->user($user)->userDish($userDish)->skipped()->create();

        $this->actingAs($planner)
            ->get('/dashboard')
            ->assertOk()
            ->assertViewHas('stats', fn (array $stats) => $stats['meals_this_month'] === 1);
    }

    public function test_dashboard_shows_the_most_scheduled_dish_per_user(): void
    {
        $planner = Planner::factory()->create();
        $user = User::factory()->planner($planner)->create(['name' => 'Ada']);
        $pizza = Dish::factory()->planner($planner)->create(['name' => 'Pizza']);
        $tacos = Dish::factory()->planner($planner)->create(['name' => 'Tacos']);
        $pizzaDish = UserDish::factory()->user($user)->dish($pizza)->create();
        $tacosDish = UserDish::factory()->user($user)->dish($tacos)->create();

        ScheduledUserDish::factory()
            ->schedule(Schedule::factory()->planner($planner)->date(now())->create())
            ->user($user)
            ->userDish($pizzaDish)
            ->create();
        ScheduledUserDish::factory()
            ->schedule(Schedule::factory()->planner($planner)->date(now()->addDay())->create())
            ->user($user)
            ->userDish($pizzaDish)
            ->create();
        ScheduledUserDish::factory()
            ->schedule(Schedule::factory()->planner($planner)->date(now()->addDays(2))->create())
            ->user($user)
            ->userDish($tacosDish)
            ->create();

        $this->actingAs($planner)
            ->get('/dashboard')
            ->assertOk()
            ->assertSee('Pizza')
            ->assertViewHas('stats', function (array $stats) {
                $favorite = $stats['favorite_dishes']->first();

                return $favorite['user']->name === 'Ada'
                    && $favorite['dish']->name === 'Pizza'
                    && $favorite['count'] === 2;
            });
    }

    public function test_dashboard_excludes_meals_from_a_skipped_schedule(): void
    {
        $planner = Planner::factory()->create();
        $user = User::factory()->planner($planner)->create();
        $dish = Dish::factory()->planner($planner)->create();
        $userDish = UserDish::factory()->user($user)->dish($dish)->create();

        $date = now()->startOfMonth()->addDays(5);
        $schedule = Schedule::factory()->planner($planner)->date($date)->create();
        ScheduledUserDish::factory()->schedule($schedule)->user($user)->userDish($userDish)->create();

        (new UpdateScheduleAction)->execute($schedule, true);

        $this->actingAs($planner)
            ->get('/dashboard')
            ->assertOk()
            ->assertViewHas('stats', fn (array $stats) => $stats['meals_this_month'] === 0);
    }
}