<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Database\Eloquent\Relations\HasMany;

class Campaign extends Model
{
    public const STATUS_DRAFT = 'draft';

    public const STATUS_ACTIVE = 'active';

    public const STATUS_ARCHIVED = 'archived';

    public const STATUSES = [
        self::STATUS_DRAFT => 'Draft',
        self::STATUS_ACTIVE => 'Active',
        self::STATUS_ARCHIVED => 'Archived',
    ];

    protected $fillable = [
        'user_id',
        'name',
        'description',
        'status',
        'starts_at',
        'ends_at',
    ];

    protected function casts(): array
    {
        return [
            'starts_at' => 'datetime',
            'ends_at' => 'datetime',
        ];
    }

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

    public function shortLinks(): HasMany
    {
        return $this->hasMany(ShortLink::class);
    }

    public function statusLabel(): string
    {
        return self::STATUSES[$this->status] ?? ucfirst((string) $this->status);
    }

    public function isLive(): bool
    {
        if ($this->status !== self::STATUS_ACTIVE) {
            return false;
        }

        if ($this->starts_at && $this->starts_at->isFuture()) {
            return false;
        }

        if ($this->ends_at && $this->ends_at->isPast()) {
            return false;
        }

        return true;
    }

    public function totalClicks(): int
    {
        return (int) $this->shortLinks()->sum('clicks_total');
    }

    public function linksCount(): int
    {
        return (int) $this->shortLinks()->count();
    }
}