<?php

declare(strict_types=1);

namespace App\Models;

use App\Enums\PostPlatform\ContentType;
use App\Enums\PostPlatform\Status;
use App\Enums\SocialAccount\Platform as SocialPlatform;
use Database\Factories\PostPlatformFactory;
use Illuminate\Database\Eloquent\Builder;
use Illuminate\Database\Eloquent\Casts\Attribute;
use Illuminate\Database\Eloquent\Concerns\HasUuids;
use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Support\Facades\Storage;

class PostPlatform extends Model
{
    /** @use HasFactory<PostPlatformFactory> */
    use HasFactory, HasUuids;

    protected $appends = [
        'display_avatar',
    ];

    protected $fillable = [
        'post_id',
        'social_account_id',
        'enabled',
        'platform',
        'platform_name',
        'platform_username',
        'platform_avatar',
        'content_type',
        'status',
        'platform_post_id',
        'platform_url',
        'error_message',
        'error_context',
        'published_at',
        'meta',
        'connection_warning_sent_at',
    ];

    protected function casts(): array
    {
        return [
            'enabled' => 'boolean',
            'platform' => SocialPlatform::class,
            'content_type' => ContentType::class,
            'status' => Status::class,
            'published_at' => 'datetime',
            'meta' => 'array',
            'error_context' => 'array',
            'connection_warning_sent_at' => 'datetime',
        ];
    }

    public function post(): BelongsTo
    {
        return $this->belongsTo(Post::class);
    }

    public function socialAccount(): BelongsTo
    {
        return $this->belongsTo(SocialAccount::class);
    }

    /**
     * Only platforms still enabled for publishing — disabled ones are
     * excluded from PublishPost, so anything else that mirrors publish
     * eligibility (previews, validation, proactive checks) must too.
     */
    public function scopeEnabled(Builder $query): Builder
    {
        return $query->where('post_platforms.enabled', true);
    }

    /**
     * Get display name, falling back to snapshot if account was deleted.
     */
    public function getDisplayNameAttribute(): string
    {
        return $this->socialAccount?->accountDisplayName() ?? $this->platform_name ?? $this->platform->label();
    }

    /**
     * Get username, falling back to snapshot if account was deleted.
     */
    public function getDisplayUsernameAttribute(): ?string
    {
        return $this->socialAccount?->username ?? $this->platform_username;
    }

    /**
     * "Facebook Page (@handle)" for emails and in-app notifications.
     * Username first, then display name (live account or the snapshot
     * kept on this row). When neither is set — or the account is gone
     * and there is no snapshot — just the platform name, never "(@)".
     */
    public function notificationLabel(): string
    {
        $identifier = $this->display_username
            ?: $this->socialAccount?->display_name
            ?: $this->platform_name;

        if (! filled($identifier) || $identifier === $this->platform->label()) {
            return $this->platform->label();
        }

        return "{$this->platform->label()} (@{$identifier})";
    }

    /**
     * Get avatar URL, falling back to snapshot if account was deleted.
     */
    public function getDisplayAvatarAttribute(): ?string
    {
        if ($this->socialAccount?->avatar_url) {
            return $this->socialAccount->avatar_url;
        }

        if (! $this->platform_avatar) {
            return null;
        }

        if (str_starts_with($this->platform_avatar, 'http://') || str_starts_with($this->platform_avatar, 'https://')) {
            return $this->platform_avatar;
        }

        if (Storage::disk('public')->exists($this->platform_avatar)) {
            return Storage::disk('public')->url($this->platform_avatar);
        }

        return Storage::url($this->platform_avatar);
    }

    protected function platformAvatar(): Attribute
    {
        return Attribute::make(
            get: function (?string $value): ?string {
                if (! $value) {
                    return null;
                }

                if (str_starts_with($value, 'http://') || str_starts_with($value, 'https://')) {
                    return $value;
                }

                if (Storage::disk('public')->exists($value)) {
                    return Storage::disk('public')->url($value);
                }

                return Storage::url($value);
            },
        );
    }

    public function markAsPublishing(): void
    {
        $this->update(['status' => Status::Publishing]);
    }

    public function markAsPublished(string $platformPostId, ?string $platformUrl = null): void
    {
        $now = now();

        $this->update([
            'status' => Status::Published,
            'platform_post_id' => $platformPostId,
            'platform_url' => $platformUrl,
            'published_at' => $now,
            'error_message' => null,
            'error_context' => null,
        ]);

        $this->socialAccount?->update(['last_used_at' => $now]);
    }

    public function markAsFailed(string $errorMessage, ?array $errorContext = null): void
    {
        $this->update([
            'status' => Status::Failed,
            'error_message' => $errorMessage,
            'error_context' => $errorContext,
            'platform_post_id' => null,
            'platform_url' => null,
        ]);
    }
}