<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Database\Eloquent\Relations\HasMany;
use Illuminate\Database\Eloquent\Relations\HasOne;
use Illuminate\Database\Eloquent\SoftDeletes;
use Spatie\Activitylog\Support\LogOptions;
use Spatie\Activitylog\Models\Concerns\LogsActivity;

class Submission extends Model
{
    use HasFactory, SoftDeletes, LogsActivity;

    public const STATUSES = [
        'draf' => 'Draf',
        'baru' => 'Baru',
        'dalam_tindakan' => 'Dalam Tindakan',
        'pembetulan_perunding' => 'Pembetulan Perunding',
        'selesai' => 'Selesai',
    ];

    protected $fillable = [
        'data_centre_id',
        'reporting_cycle_id',
        'consultant_id',
        'checklist_template_id',
        'status',
        'is_locked',
        'locked_by',
        'locked_at',
        'lock_reason',
        'assigned_officer_id',
        'hardcopy_received',
        'hardcopy_received_date',
        'hardcopy_sent_date',
        'submitted_at',
        'submitted_by',
        'review_notes',
    ];

    protected function casts(): array
    {
        return [
            'is_locked' => 'boolean',
            'locked_at' => 'datetime',
            'hardcopy_received' => 'boolean',
            'hardcopy_received_date' => 'date',
            'hardcopy_sent_date' => 'date',
            'submitted_at' => 'datetime',
        ];
    }

    public function getActivitylogOptions(): LogOptions
    {
        return LogOptions::defaults()
            ->logOnly(['status', 'is_locked', 'assigned_officer_id', 'hardcopy_received', 'hardcopy_sent_date'])
            ->logOnlyDirty()
            ->dontLogEmptyChanges()
            ->useLogName('serahan');
    }

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

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

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

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

    public function assignedOfficer(): BelongsTo
    {
        return $this->belongsTo(User::class, 'assigned_officer_id');
    }

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

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

    public function documents(): HasMany
    {
        return $this->hasMany(SubmissionDocument::class)->orderByDesc('version');
    }

    public function activeDocument(): HasOne
    {
        return $this->hasOne(SubmissionDocument::class)->where('is_active', true);
    }

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

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

    public function comments(): HasMany
    {
        return $this->hasMany(SubmissionComment::class)->oldest();
    }

    /** Perunding boleh edit selagi belum dikunci dan belum selesai. */
    public function isEditableByConsultant(): bool
    {
        return ! $this->is_locked && $this->status !== 'selesai';
    }

    public function isSubmitted(): bool
    {
        return ! in_array($this->status, ['draf'], true);
    }

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

    public function statusBadgeClass(): string
    {
        return [
            'draf' => 'secondary',
            'baru' => 'info',
            'dalam_tindakan' => 'primary',
            'pembetulan_perunding' => 'warning',
            'selesai' => 'success',
        ][$this->status] ?? 'secondary';
    }
}