<?php

namespace Alexr\Settings;

use Alexr\Models\Restaurant;
use Evavel\Models\SettingListing;

/**
 * Gift voucher PRODUCTS a restaurant sells (config, stored as items inside the
 * restaurant_setting table, meta_key 'gift_card'). Each item is one purchasable
 * product; a purchase creates a row in the srr_vouchers table (see phase 1).
 *
 * settingName 'gift_cards' (navigation-settings.php) resolves here via
 * Str::studly(singular('gift_cards')) => 'GiftCard'.
 */
class GiftCard extends SettingListing
{
	public static $meta_key = 'gift_card';
	public static $table_name = 'restaurant_setting';
	public static $pivot_tenant_field = 'restaurant_id';
	public static $component_list_item = 'item-gift-card';

	// Product types (how the voucher is sold). Map to Voucher model types:
	// fixed_amount + free_amount -> Voucher::TYPE_AMOUNT ; experience -> TYPE_EXPERIENCE
	const TYPE_FIXED_AMOUNT = 'fixed_amount'; // pre-set value (e.g. 50)
	const TYPE_FREE_AMOUNT  = 'free_amount';  // buyer chooses between min and max
	const TYPE_EXPERIENCE   = 'experience';   // set-price product (menu / experience)

	protected $casts = [
		'active' => 'boolean',
	];

	public static function description() {
		return __eva('Gift vouchers let customers buy credit or experiences online and redeem them when they book.');
	}

	public function restaurant()
	{
		return $this->belongsTo(Restaurant::class);
	}

	public static function typeOptions()
	{
		return [
			['label' => __eva('Fixed amount'), 'value' => self::TYPE_FIXED_AMOUNT],
			['label' => __eva('Free amount (buyer chooses)'), 'value' => self::TYPE_FREE_AMOUNT],
			['label' => __eva('Experience / set price'), 'value' => self::TYPE_EXPERIENCE],
		];
	}

	public static function expiryOptions()
	{
		return [
			['label' => __eva('6 months'), 'value' => '6'],
			['label' => __eva('12 months'), 'value' => '12'],
			['label' => __eva('18 months'), 'value' => '18'],
			['label' => __eva('24 months'), 'value' => '24'],
			['label' => __eva('36 months'), 'value' => '36'],
			['label' => __eva('No expiry'), 'value' => '0'],
		];
	}

	public function fields()
	{
		return [
			[
				'attribute' => 'active',
				'stacked' => true,
				'style' => 'display: inline-block; width: 25%; vertical-align: top;',
				'name' => __eva('Active'),
				'component' => 'boolean-field',
				'type' => 'switch',
				'value' => $this->active,
			],
			[
				'attribute' => 'name',
				'stacked' => true,
				'style' => 'display: inline-block; width: 75%;',
				'inputClass' => 'form-input-bordered-highlight',
				'name' => __eva('Name'),
				'helpText' => __eva('Shown to the buyer, e.g. "50 Gift Card" or "Tasting Menu for Two"'),
				'component' => 'text-field',
				'value' => $this->name,
			],
			[
				'attribute' => 'type',
				'stacked' => true,
				'name' => __eva('Type'),
				'component' => 'select-field',
				'options' => self::typeOptions(),
				'value' => $this->type,
			],
			[
				'attribute' => 'amount',
				'stacked' => true,
				'style' => 'display: inline-block; width: 33%;',
				'name' => __eva('Amount'),
				'helpText' => __eva('Used by "Fixed amount" and "Experience" types'),
				'component' => 'text-field',
				'value' => $this->amount,
			],
			[
				'attribute' => 'amount_min',
				'stacked' => true,
				'style' => 'display: inline-block; width: 33%;',
				'name' => __eva('Min amount'),
				'helpText' => __eva('Used by "Free amount" type'),
				'component' => 'text-field',
				'value' => $this->amount_min,
			],
			[
				'attribute' => 'amount_max',
				'stacked' => true,
				'style' => 'display: inline-block; width: 34%;',
				'name' => __eva('Max amount'),
				'helpText' => __eva('Used by "Free amount" type'),
				'component' => 'text-field',
				'value' => $this->amount_max,
			],
			[
				'attribute' => 'expiry_months',
				'stacked' => true,
				'name' => __eva('Expiry'),
				'helpText' => __eva('How long the voucher stays valid after purchase'),
				'component' => 'select-field',
				'options' => self::expiryOptions(),
				'value' => $this->expiry_months,
			],
			[
				'attribute' => 'public_description',
				'stacked' => true,
				'name' => __eva('Description'),
				'helpText' => __eva('Shown to the buyer on the purchase page'),
				'component' => 'textarea-field',
				'value' => $this->public_description,
			],
			[
				'attribute' => 'terms',
				'stacked' => true,
				'name' => __eva('Terms & conditions'),
				'helpText' => __eva('Optional. Shown before purchase and on the voucher'),
				'component' => 'textarea-field',
				'value' => $this->terms,
			],
		];
	}

	public function defaultValue()
	{
		return [
			'active' => true,
			'name' => __eva('New gift voucher'),
			'type' => self::TYPE_FIXED_AMOUNT,
			'amount' => '50',
			'amount_min' => '10',
			'amount_max' => '500',
			'expiry_months' => '12',
			'public_description' => '',
			'terms' => '',
		];
	}

	/**
	 * Active gift voucher products of a restaurant, shaped for the public purchase
	 * widget (the [rr_vouchers] shortcode localizes these). Only buyer-facing
	 * fields — never the internal terms audit or expiry mechanics beyond months.
	 */
	public static function activeProducts($restaurantId)
	{
		$items = self::where(self::$pivot_tenant_field, $restaurantId)->get();

		$out = [];
		foreach ($items as $item) {
			if (!$item->active) {
				continue;
			}
			$out[] = self::mapPublicProduct($item);
		}

		return $out;
	}

	/**
	 * Buyer-facing shape of one gift card product (used by the [rr_voucher]
	 * shortcode, which targets a single product by its restaurant_setting id).
	 */
	public static function mapPublicProduct($item)
	{
		return [
			'id'            => intval($item->id),
			'name'          => $item->name,
			'type'          => $item->type,
			'amount'        => $item->amount,
			'amount_min'    => $item->amount_min,
			'amount_max'    => $item->amount_max,
			'expiry_months' => $item->expiry_months,
			'description'   => $item->public_description,
			'terms'         => $item->terms,
		];
	}
}