<?php

namespace App\Models;

use App\Support\Concerns\InteractsWithODataTypes;
use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Database\Eloquent\SoftDeletes;

class BackupItem extends Model
{
    use HasFactory;
    use InteractsWithODataTypes;
    use SoftDeletes;

    protected $guarded = [];

    protected $casts = [
        'payload' => 'array',
        'metadata' => 'array',
        'assignments' => 'array',
        'captured_at' => 'datetime',
    ];

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

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

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

    // Assignment helpers
    public function getAssignmentCountAttribute(): int
    {
        return count($this->assignments ?? []);
    }

    public function hasAssignments(): bool
    {
        return ! empty($this->assignments);
    }

    public function getGroupIdsAttribute(): array
    {
        return collect($this->assignments ?? [])
            ->pluck('target.groupId')
            ->filter()
            ->unique()
            ->values()
            ->toArray();
    }

    public function getScopeTagIdsAttribute(): array
    {
        return $this->metadata['scope_tag_ids'] ?? ['0'];
    }

    public function getScopeTagNamesAttribute(): array
    {
        return $this->metadata['scope_tag_names'] ?? ['Default'];
    }

    public function hasOrphanedAssignments(): bool
    {
        return $this->metadata['has_orphaned_assignments'] ?? false;
    }

    public function assignmentsFetchFailed(): bool
    {
        return $this->metadata['assignments_fetch_failed'] ?? false;
    }

    // Scopes
    public function scopeWithAssignments($query)
    {
        return $query->whereNotNull('assignments')
            ->whereRaw('json_array_length(assignments) > 0');
    }
}