<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\HasMany;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Database\Eloquent\Casts\Attribute;
use Illuminate\Database\Eloquent\SoftDeletes;
use Illuminate\Support\Facades\Storage;
use Carbon\Carbon;

class Cat extends Model
{
    use SoftDeletes;

    /**
     * SINKRONISASI TOTAL: 22 Kolom Database
     */
    protected $fillable = [
        'nama_kucing', 'ras', 'registry', 'jenis_kelamin', 'tanggal_lahir', 
        'foto', 'berat_terakhir', 'lokasi', 'riwayat_sakit_terakhir',
        'jadwal_vaksin', 'jadwal_obat_cacing', 'jadwal_obat_kutu', 
        'jadwal_grooming', 'induk_jantan_id', 'induk_betina_id', 
        'lokasi_kandang', 'pic_id', 'berat_badan',
        'pedigree','sertifikat_ped_file', 'microchip', 'status', 'kode_ems','treatment_status'
    ];

    /**
     * Logic Otomatisasi (Booted)
     */
    protected static function booted()
{
    // A. Sebelum simpan: Sinkronisasi berat_terakhir
    static::saving(function ($cat) {
        if ($cat->isDirty('berat_badan')) {
            $cat->berat_terakhir = $cat->berat_badan;
        }
    });

    // B. Setelah update berhasil: Catat ke tabel history
    static::updated(function ($cat) {
        if ($cat->wasChanged('berat_badan')) {
            // Kita gunakan try-catch agar jika tabel history bermasalah, update kucing tidak ikut mati
            try {
                $cat->weightHistories()->create([
                    'berat' => $cat->berat_badan,
                    'tanggal_timbang' => now(), // Pastikan kolom ini ada di migrasi Anda
                ]);
            } catch (\Exception $e) {
                // Log error diam-diam agar user tidak melihat Error 500
                \Illuminate\Support\Facades\Log::error("Gagal mencatat history berat: " . $e->getMessage());
            }
        }
    });
}

    /**
     * Casting Laravel 11/12 Style
     */
    protected function casts(): array
    {
        return [
            'tanggal_lahir'      => 'date',
            'jadwal_vaksin'      => 'date',
            'jadwal_obat_cacing' => 'date',
            'jadwal_obat_kutu'   => 'date',
            'jadwal_grooming'    => 'date',
            'registry'           => 'array', // Otomatis mengurus JSON di DB
            'berat_badan'        => 'decimal:2',
            'berat_terakhir'     => 'decimal:2',
        ];
    }

    /* -------------------------------------------------------------------------- */
    /* RELATIONS                                                                  */
    /* -------------------------------------------------------------------------- */

    public function treatments()
{
    return $this->hasMany(Treatment::class, 'cat_id');
}

    public function weightHistories(): HasMany
    {
        return $this->hasMany(WeightHistory::class)->latest();
    }

    public function sire(): BelongsTo
    {
        return $this->belongsTo(Cat::class, 'induk_jantan_id')->withDefault([
            'nama_kucing' => 'Unknown Sire'
        ]);
    }

    public function dam(): BelongsTo
    {
        return $this->belongsTo(Cat::class, 'induk_betina_id')->withDefault([
            'nama_kucing' => 'Unknown Dam'
        ]);
    }

    public function mattingsAsSire(): HasMany
    {
        return $this->hasMany(Matting::class, 'sire_id');
    }

    public function mattingsAsDam(): HasMany
    {
        return $this->hasMany(Matting::class, 'dam_id');
    }

    public function pic(): BelongsTo
    {
        return $this->belongsTo(User::class, 'pic_id')->withDefault([
            'name' => 'System'
        ]);
    }

    public function registrations(): HasMany
    {
        return $this->hasMany(CatRegistration::class)->orderByDesc('is_primary')->orderBy('id');
    }

    public function primaryRegistration()
    {
        return $this->hasOne(CatRegistration::class)->where('is_primary', true);
    }

    /* -------------------------------------------------------------------------- */
    /* ACCESSORS (Penyempurnaan Null-Safety & Logic)                             */
    /* -------------------------------------------------------------------------- */

    protected function genderIcon(): Attribute
    {
        return Attribute::make(
            get: fn () => strtolower($this->jenis_kelamin ?? '') === 'jantan' 
                ? '<i class="fas fa-mars text-indigo-500" title="Jantan"></i>' 
                : '<i class="fas fa-venus text-rose-500" title="Betina"></i>'
        );
    }

    protected function fotoUrl(): Attribute
    {
        return Attribute::make(
            get: function () {
                if ($this->foto && Storage::disk('public')->exists($this->foto)) {
                    return Storage::url($this->foto);
                }
                return asset('images/default-cat.png');
            }
        );
    }

    protected function age(): Attribute
    {
        return Attribute::make(
            get: function () {
                if (!$this->tanggal_lahir) return 'N/A';
                $diff = $this->tanggal_lahir->diff(now());
                
                if ($diff->y > 0) return "{$diff->y} Thn, {$diff->m} Bln";
                if ($diff->m > 0) return "{$diff->m} Bln, {$diff->d} Hari";
                return "{$diff->d} Hari";
            }
        );
    }

    protected function usiaDetail(): Attribute
    {
        return Attribute::make(
            get: function () {
                if (!$this->tanggal_lahir) return 'Data N/A';
                $diff = $this->tanggal_lahir->diff(now());
                return "{$diff->y}th {$diff->m}bln {$diff->d}hr";
            }
        );
    }

    /**
     * Badge Registry yang disempurnakan (lebih bersih)
     */
    protected function registryBadges(): Attribute
{
    return Attribute::make(
        get: function () {
            $registries = $this->registry;

            // Jika kosong atau eksplisit memilih NON-PED
            if (empty($registries) || (is_array($registries) && in_array('NON-PED', $registries))) {
                return '<span class="px-2 py-0.5 bg-slate-100 text-slate-400 border border-slate-200 rounded-lg text-[8px] font-black uppercase tracking-tighter">NON-PED</span>';
            }

            $config = [
                'ICA' => 'bg-blue-50 text-blue-700 border-blue-100',
                'CFA' => 'bg-rose-50 text-rose-700 border-rose-100',
                'WCF' => 'bg-emerald-50 text-emerald-700 border-emerald-100',
                'FFF' => 'bg-amber-50 text-amber-700 border-amber-100',
            ];

            $html = '<div class="flex flex-wrap gap-1">';
            $list = is_array($registries) ? $registries : [$registries];

            foreach ($list as $reg) {
                if($reg === 'NON-PED') continue; // Skip jika tercampur (opsional)
                $uReg = strtoupper($reg);
                $style = $config[$uReg] ?? 'bg-slate-50 text-slate-600 border-slate-200';
                $html .= "<span class='px-2 py-0.5 border rounded-lg text-[8px] font-black uppercase tracking-tighter shadow-sm {$style}'>{$uReg}</span>";
            }
            $html .= '</div>';
            return $html;
        }
    );
}

public function medicalRecords()
{
    // Mengambil riwayat, terbaru diletakkan paling atas
    return $this->hasMany(MedicalRecord::class)->orderBy('date_given', 'desc');
}

/**
 * Sinkronkan kolom status perawatan dari treatment yang masih aktif.
 * Nilai 1 = dalam perawatan, 2 = sehat.
 */
public function updateTreatmentStatus(): void
{
    $status = $this->treatments()->where('status_perawatan', 1)->exists() ? 1 : 2;
    $this->forceFill(['treatment_status' => $status])->saveQuietly();
}
/**
 * Scope untuk filter kucing yang sedang sakit (Under Treatment)
 */
public function scopeUnderTreatment($query)
{
    // Hapus logika whereHas lama, ganti dengan ini:
    return $query->where('treatment_status', 1);
}

public function scopeHealthy($query)
{
    return $query->where('treatment_status', 2);
}
}