<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Database\Eloquent\Relations\BelongsToMany;
use Illuminate\Database\Eloquent\Relations\HasMany;
use Illuminate\Database\Eloquent\SoftDeletes;
use Illuminate\Foundation\Auth\User as Authenticatable;
use Illuminate\Notifications\Notifiable;

class User extends Authenticatable
{
    use HasFactory, Notifiable, SoftDeletes;

    protected $fillable = [
        'name',
        'email',
        'password',
        'role',
        'department_id',
        'is_active',
        'last_login_at',
        'email_verified_at',
    ];

    protected $hidden = [
        'password',
        'remember_token',
    ];

    protected function casts(): array
    {
        return [
            'email_verified_at' => 'datetime',
            'last_login_at'     => 'datetime',
            'password'          => 'hashed',
            'is_active'         => 'boolean',
        ];
    }

    // -------------------------------------------------------
    // Role helpers
    // -------------------------------------------------------

    public function isAdmin(): bool
    {
        return $this->role === 'admin';
    }

    public function isUser(): bool
    {
        return $this->role === 'user';
    }

    public function isActive(): bool
    {
        return (bool) $this->is_active;
    }

    // -------------------------------------------------------
    // Relationships
    // -------------------------------------------------------

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

    public function ownedProjects(): HasMany
    {
        return $this->hasMany(TranscriptionProject::class, 'owner_user_id');
    }

    public function collaboratingProjects(): BelongsToMany
    {
        return $this->belongsToMany(
            TranscriptionProject::class,
            'project_collaborators',
            'user_id',
            'project_id'
        )->withPivot('role', 'added_by')->withTimestamps();
    }

    public function auditActionsPerformed(): HasMany
    {
        return $this->hasMany(AuditLog::class, 'actor_user_id');
    }

    public function auditActionsTargeted(): HasMany
    {
        return $this->hasMany(AuditLog::class, 'target_user_id');
    }

    // -------------------------------------------------------
    // Usage check (for safe delete)
    // -------------------------------------------------------

    public function hasUsage(): bool
    {
        return $this->ownedProjects()->withTrashed()->exists()
            || $this->collaboratingProjects()->exists()
            || AuditLog::where('actor_user_id', $this->id)->exists();
    }
}