<?php

namespace Tests\Feature\Prompts;

use App\Models\Prompt;
use App\Models\Tag;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Illuminate\Support\Facades\DB;
use Inertia\Testing\AssertableInertia as Assert;
use Tests\TestCase;

class PromptShowDeleteTest extends TestCase
{
    use RefreshDatabase;

    public function test_show_renders_prompt_variables_and_stats(): void
    {
        $tag = Tag::query()->create(['name' => 'explaining']);
        $prompt = Prompt::factory()->create([
            'name' => 'Explainer',
            'description' => 'Explains things',
            'body' => 'Explain {{topic}} in a {{tone}} tone. {{topic}} again.',
            'is_favorite' => true,
            'usage_count' => 3,
            'last_used_at' => '2026-05-05 10:00:00',
        ]);
        $prompt->tags()->attach($tag->id);

        $this->get("/prompts/{$prompt->id}")
            ->assertOk()
            ->assertInertia(fn (Assert $page) => $page
                ->component('Prompts/Show')
                ->where('variables', ['topic', 'tone'])
                ->where('prompt.name', 'Explainer')
                ->where('prompt.description', 'Explains things')
                ->where('prompt.usage_count', 3)
                ->where('prompt.is_favorite', true)
                ->has('prompt.tags', 1)
                ->where('prompt.tags.0.id', $tag->id)
                ->where('prompt.tags.0.name', 'explaining'));
    }

    public function test_show_404s_for_missing_prompt(): void
    {
        $this->get('/prompts/99999')->assertNotFound();
    }

    public function test_edit_renders_prefilled_form(): void
    {
        $tag = Tag::query()->create(['name' => 'coding']);
        $prompt = Prompt::factory()->create([
            'name' => 'Original',
            'description' => 'desc',
            'body' => 'b {{x}}',
        ]);
        $prompt->tags()->attach($tag->id);

        $this->get("/prompts/{$prompt->id}/edit")
            ->assertOk()
            ->assertInertia(fn (Assert $page) => $page
                ->component('Prompts/Edit')
                ->where('promptId', $prompt->id)
                ->where('initial.name', 'Original')
                ->where('initial.description', 'desc')
                ->where('initial.body', 'b {{x}}')
                ->where('initial.tags', ['coding'])
                ->has('suggestedTags', 1));
    }

    public function test_edit_404s_for_missing_prompt(): void
    {
        $this->get('/prompts/99999/edit')->assertNotFound();
    }

    public function test_delete_removes_prompt_and_its_pivot_rows(): void
    {
        $tag = Tag::query()->create(['name' => 'coding']);
        $prompt = Prompt::factory()->create();
        $prompt->tags()->attach($tag->id);
        $this->assertSame(1, DB::table('prompt_tag')->count());

        $response = $this->delete("/prompts/{$prompt->id}");

        $response->assertRedirect(route('prompts.index'));
        $this->assertDatabaseMissing('prompts', ['id' => $prompt->id]);
        $this->assertSame(0, DB::table('prompt_tag')->count());
        // The tag itself survives deletion.
        $this->assertSame(1, Tag::query()->count());
    }

    public function test_delete_404s_for_missing_prompt(): void
    {
        $this->delete('/prompts/99999')->assertNotFound();
    }
}