<?php

namespace App\Models;

use App\Models\Concerns\BelongsToOwner;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Database\Eloquent\SoftDeletes;
use Illuminate\Support\Str;

class Visit extends Model
{
    use BelongsToOwner, SoftDeletes;

    protected $table = 'frontdesk_visits';

    public const STATUS_SCHEDULED = 'scheduled';

    public const STATUS_EXPECTED = 'expected';

    public const STATUS_WAITING = 'waiting';

    public const STATUS_CHECKED_IN = 'checked_in';

    public const STATUS_CHECKED_OUT = 'checked_out';

    public const STATUS_CANCELLED = 'cancelled';

    public const STATUS_OVERDUE = 'overdue';

    public const ACTIVE_STATUSES = [
        self::STATUS_EXPECTED,
        self::STATUS_WAITING,
        self::STATUS_CHECKED_IN,
        self::STATUS_OVERDUE,
    ];

    protected $fillable = [
        'public_id', 'external_ref', 'source', 'owner_ref', 'organization_id', 'branch_id', 'reception_desk_id',
        'visitor_id', 'host_id', 'visitor_type', 'status', 'purpose',
        'expected_duration_minutes', 'scheduled_at', 'checked_in_at', 'checked_out_at',
        'badge_expires_at', 'badge_code', 'qr_token', 'photo_path', 'signature_path',
        'policies_accepted', 'vehicle_info', 'contractor_details', 'delivery_details',
        'allowed_areas', 'notes', 'integration_metadata', 'checked_in_by', 'checked_out_by',
    ];

    protected function casts(): array
    {
        return [
            'scheduled_at' => 'datetime',
            'checked_in_at' => 'datetime',
            'checked_out_at' => 'datetime',
            'badge_expires_at' => 'datetime',
            'policies_accepted' => 'boolean',
            'vehicle_info' => 'array',
            'contractor_details' => 'array',
            'delivery_details' => 'array',
            'allowed_areas' => 'array',
            'integration_metadata' => 'array',
        ];
    }

    protected static function booted(): void
    {
        static::creating(function (Visit $visit) {
            if (! $visit->public_id) {
                $visit->public_id = (string) Str::uuid();
            }
            if (! $visit->qr_token) {
                $visit->qr_token = Str::random(32);
            }
            if (! $visit->badge_code) {
                $visit->badge_code = strtoupper(Str::random(8));
            }
        });
    }

    public function organization(): BelongsTo
    {
        return $this->belongsTo(Organization::class, 'organization_id');
    }

    public function branch(): BelongsTo
    {
        return $this->belongsTo(Branch::class, 'branch_id');
    }

    public function receptionDesk(): BelongsTo
    {
        return $this->belongsTo(ReceptionDesk::class, 'reception_desk_id');
    }

    public function visitor(): BelongsTo
    {
        return $this->belongsTo(Visitor::class, 'visitor_id');
    }

    public function host(): BelongsTo
    {
        return $this->belongsTo(Host::class, 'host_id');
    }

    public function isInside(): bool
    {
        return $this->status === self::STATUS_CHECKED_IN;
    }

    public function isPending(): bool
    {
        return in_array($this->status, [
            self::STATUS_EXPECTED,
            self::STATUS_SCHEDULED,
            self::STATUS_WAITING,
            self::STATUS_OVERDUE,
        ], true);
    }

    public function awaitingApproval(): bool
    {
        if ($this->status !== self::STATUS_WAITING || $this->checked_in_at !== null) {
            return false;
        }

        return (bool) (
            data_get($this->contractor_details, '_awaiting_approval')
            || data_get($this->delivery_details, '_awaiting_approval')
        );
    }

    /** @return array<string, string|null> */
    public function typeDetailEntries(): array
    {
        $entries = [];
        $labels = collect(config('frontdesk.visitor_type_config', []))
            ->flatMap(fn (array $config) => collect($config['fields'] ?? [])
                ->mapWithKeys(fn (array $field) => [$field['name'] => $field['label']]));

        foreach (array_filter([$this->contractor_details, $this->delivery_details]) as $details) {
            foreach ($details as $key => $value) {
                if (str_starts_with((string) $key, '_') || $value === null || $value === '') {
                    continue;
                }

                $label = $labels->get($key, str_replace('_', ' ', (string) $key));

                if (str_contains((string) $key, 'photo') || str_contains((string) $key, 'signature')) {
                    $entries[$label] = 'On file';
                } elseif ($key === 'received_at') {
                    $entries[$label] = \Illuminate\Support\Carbon::parse($value)->format('M j, Y g:i A');
                } else {
                    $entries[$label] = is_bool($value) ? ($value ? 'Yes' : 'No') : (string) $value;
                }
            }
        }

        return $entries;
    }

    public function canActivateCheckIn(): bool
    {
        return $this->isPending();
    }

    public function isBadgeExpired(): bool
    {
        return $this->badge_expires_at && $this->badge_expires_at->isPast();
    }

    public function scopeToday($query)
    {
        return $query->whereDate('checked_in_at', today())
            ->orWhereDate('scheduled_at', today());
    }

    public function scopeCurrentlyInside($query)
    {
        return $query->where('status', self::STATUS_CHECKED_IN);
    }
}