<?php

namespace App\Livewire\Posts;

use App\Jobs\PublishPostJob;
use App\Models\Post;
use App\Models\Site;
use App\Models\SocialAccount;
use App\Models\Template;
use App\Support\Publishing\PublisherManager;
use Livewire\Attributes\Layout;
use Livewire\Component;

#[Layout('components.layouts.app')]
class Index extends Component
{
    public bool $showForm = false;

    public ?int $editingId = null;

    public ?int $templateId = null;

    public string $siteId = '';

    public array $selectedAccountIds = [];

    public string $type = '';

    public string $title = '';

    public string $body = '';

    public string $target = '';

    public string $imageUrl = '';

    public string $status = 'draft';

    public string $scheduledAt = '';

    public ?string $publishNotice = null;

    public string $search = '';

    public string $typeFilter = '';

    public string $statusFilter = '';

    public string $siteFilter = '';

    public function render()
    {
        $query = Post::with(['site', 'socialAccounts']);

        // Full-text search on title and body
        if ($this->search) {
            $query->whereFullText(['title', 'body'], $this->search);
        }

        // Filter by type
        if ($this->typeFilter) {
            $query->where('type', $this->typeFilter);
        }

        // Filter by status
        if ($this->statusFilter) {
            $query->where('status', $this->statusFilter);
        }

        // Filter by site
        if ($this->siteFilter) {
            $query->where('site_id', $this->siteFilter);
        }

        $posts = $query->orderByDesc('created_at')->get();

        return view('livewire.posts.index', [
            'posts' => $posts,
            'sites' => Site::orderBy('name')->get(),
            'accounts' => SocialAccount::orderBy('username')->get(),
            'types' => Post::TYPES,
            'statuses' => Post::STATUSES,
            'templates' => Template::orderBy('name')->get(),
            'hasPublishing' => $posts->contains('status', 'publishing'),
        ]);
    }

    public function publish(int $id): void
    {
        $this->publishNotice = null;

        $post = Post::with('site')->findOrFail($id);

        if (! app(PublisherManager::class)->resolve($post)) {
            $this->publishNotice = "No publisher available yet for post type '{$post->type}'.";

            return;
        }

        $post->update(['status' => 'publishing', 'publish_error' => null]);

        PublishPostJob::dispatch($post->id);
    }

    public function create(): void
    {
        $this->resetForm();
        $this->showForm = true;
    }

    public function clearFilters(): void
    {
        $this->search = '';
        $this->typeFilter = '';
        $this->statusFilter = '';
        $this->siteFilter = '';
    }

    public function createFromTemplate(int $templateId): void
    {
        $template = Template::findOrFail($templateId);
        
        $this->resetForm();
        $this->templateId = $template->id;
        
        // Pre-fill form from template
        if ($template->type) {
            $this->type = $template->type;
        }
        if ($template->title) {
            $this->title = $template->title;
        }
        if ($template->body) {
            $this->body = $template->body;
        }
        if ($template->target) {
            $this->target = $template->target;
        }
        
        $this->showForm = true;
    }

    public function applyTemplate(): void
    {
        if ($this->templateId) {
            $this->createFromTemplate($this->templateId);
        }
    }

    public function edit(int $id): void
    {
        $post = Post::with('socialAccounts')->findOrFail($id);
        $this->editingId = $post->id;
        $this->siteId = (string) $post->site_id;
        $this->selectedAccountIds = $post->socialAccounts->pluck('id')->map(fn ($id) => (string) $id)->toArray();
        $this->type = $post->type;
        $this->title = (string) $post->title;
        $this->body = $post->body;
        $this->target = (string) $post->target;
        $this->imageUrl = (string) $post->image_url;
        $this->status = $post->status;
        $this->scheduledAt = $post->scheduled_at?->format('Y-m-d\TH:i') ?? '';
        $this->showForm = true;
    }

    public function save(): void
    {
        $validated = $this->validate([
            'siteId' => ['required', 'integer', 'exists:sites,id'],
            'selectedAccountIds' => ['array'],
            'selectedAccountIds.*' => ['integer', 'exists:social_accounts,id'],
            'type' => ['required', 'string', 'in:' . implode(',', Post::TYPES)],
            'title' => ['nullable', 'string', 'max:255'],
            'body' => ['required', 'string'],
            'target' => ['nullable', 'string', 'max:255'],
            'imageUrl' => ['nullable', 'url', 'max:2048'],
            'status' => ['required', 'string', 'in:' . implode(',', Post::STATUSES)],
            'scheduledAt' => ['nullable', 'date'],
        ]);

        $post = Post::updateOrCreate(['id' => $this->editingId], [
            'site_id' => $validated['siteId'],
            'type' => $validated['type'],
            'title' => $validated['title'] ?: null,
            'body' => $validated['body'],
            'target' => $validated['target'] ?: null,
            'image_url' => $validated['imageUrl'] ?: null,
            'status' => $validated['status'],
            'scheduled_at' => $validated['scheduledAt'] ?: null,
        ]);

        // Sync social accounts using pivot table
        if ($this->editingId) {
            $post->socialAccounts()->sync($validated['selectedAccountIds'] ?: []);
        } else {
            $post->socialAccounts()->attach($validated['selectedAccountIds'] ?: []);
        }

        $this->resetForm();
        $this->showForm = false;
    }

    public function delete(int $id): void
    {
        Post::findOrFail($id)->delete();
    }

    public function resetForm(): void
    {
        $this->editingId = null;
        $this->templateId = null;
        $this->siteId = '';
        $this->selectedAccountIds = [];
        $this->type = '';
        $this->title = '';
        $this->body = '';
        $this->target = '';
        $this->imageUrl = '';
        $this->status = 'draft';
        $this->scheduledAt = '';
        $this->resetValidation();
    }
}