<?php

declare(strict_types=1);

namespace App\Models;

use Illuminate\Database\Eloquent\Builder;
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\Support\Carbon;

class PreregistrationPage extends Model
{
    use HasFactory;

    protected $fillable = [
        'slug',
        'user_id',
        'title',
        'heading',
        'intro_text',
        'thank_you_message',
        'expired_message',
        'ticketshop_url',
        'post_submit_redirect_url',
        'start_date',
        'end_date',
        'phone_enabled',
        'background_image',
        'background_overlay_color',
        'background_overlay_opacity',
        'background_fixed',
        'logo_image',
        'is_active',
    ];

    protected function casts(): array
    {
        return [
            'start_date' => 'datetime',
            'end_date' => 'datetime',
            'phone_enabled' => 'boolean',
            'background_fixed' => 'boolean',
            'is_active' => 'boolean',
        ];
    }

    /**
     * Route model binding uses 'slug' instead of 'id'.
     */
    public function getRouteKeyName(): string
    {
        return 'slug';
    }

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

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

    public function blocks(): HasMany
    {
        return $this->hasMany(PageBlock::class)->orderBy('sort_order');
    }

    public function visibleBlocks(): HasMany
    {
        return $this->blocks()->where('is_visible', true);
    }

    public function getBlockByType(string $type): ?PageBlock
    {
        if ($this->relationLoaded('blocks')) {
            return $this->blocks->firstWhere('type', $type);
        }

        return $this->blocks()->where('type', $type)->first();
    }

    public function getFormBlock(): ?PageBlock
    {
        return $this->getBlockByType('form');
    }

    public function getHeroBlock(): ?PageBlock
    {
        return $this->getBlockByType('hero');
    }

    /**
     * Phone field is shown and validated when enabled in the form block (falls back to legacy column).
     */
    public function isPhoneFieldEnabledForSubscribers(): bool
    {
        $form = $this->getBlockByType('form');
        if ($form !== null) {
            return (bool) data_get($form->content, 'fields.phone.enabled', false);
        }

        return (bool) $this->phone_enabled;
    }

    /**
     * When the form block marks the phone field as required (only applies if phone is enabled).
     */
    public function isPhoneFieldRequiredForSubscribers(): bool
    {
        $form = $this->getBlockByType('form');
        if ($form !== null) {
            return (bool) data_get($form->content, 'fields.phone.required', false);
        }

        return false;
    }

    public function headlineForMeta(): string
    {
        $hero = $this->getHeroBlock();
        if ($hero !== null) {
            $headline = data_get($hero->content, 'headline');
            if (is_string($headline) && $headline !== '') {
                return $headline;
            }
        }

        return $this->heading;
    }

    /**
     * Keeps legacy DB columns aligned with hero/form blocks until those columns are dropped.
     */
    public function syncLegacyContentColumnsFromBlocks(): void
    {
        $this->load('blocks');
        $hero = $this->getHeroBlock();
        $form = $this->getFormBlock();
        $updates = [];
        if ($hero !== null) {
            $c = $hero->content ?? [];
            $updates['heading'] = is_string($c['headline'] ?? null) ? $c['headline'] : $this->heading;
            $sub = $c['subheadline'] ?? null;
            $updates['intro_text'] = is_string($sub) ? $sub : null;
        }
        if ($form !== null) {
            $updates['phone_enabled'] = (bool) data_get($form->content, 'fields.phone.enabled', false);
        }
        if ($updates !== []) {
            $this->update($updates);
        }
    }

    public function mailwizzConfig(): HasOne
    {
        return $this->hasOne(MailwizzConfig::class);
    }

    public function weeztixConfig(): HasOne
    {
        return $this->hasOne(WeeztixConfig::class);
    }

    public function isBeforeStart(): bool
    {
        return Carbon::now()->lt($this->start_date);
    }

    public function isActive(): bool
    {
        $now = Carbon::now();

        return $now->gte($this->start_date) && $now->lte($this->end_date);
    }

    public function isExpired(): bool
    {
        return Carbon::now()->gt($this->end_date);
    }

    public function scopeActive(Builder $query): Builder
    {
        return $query->where('is_active', true);
    }

    /**
     * Lifecycle label for admin tables: before registration opens, open window, or after end.
     */
    public function statusKey(): string
    {
        if ($this->isBeforeStart()) {
            return 'before_start';
        }

        if ($this->isExpired()) {
            return 'expired';
        }

        return 'active';
    }
}