<?php

if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

if ( ! class_exists( 'Woo_Wallet_Wallet' ) ) {

	class Woo_Wallet_Wallet {
		/**
		 * WordPress user ID.
		 *
		 * @var INT
		 */
		public $user_id = 0;
		/**
		 * Wallet balance.
		 *
		 * @var float
		 */
		public $wallet_balance = 0;
		/**
		 * Current wallet balance meta key.
		 *
		 * @var string
		 */
		public $meta_key = '_current_woo_wallet_balance';

		/**
		 * Class constructor.
		 */
		public function __construct() {
			$this->user_id = get_current_user_id();
		}

		/**
		 * Setter method
		 *
		 * @param int $user_id User ID.
		 */
		private function set_user_id( $user_id = '' ) {
			$this->user_id = $user_id ? $user_id : $this->user_id;
		}

		/**
		 * Get user wallet balance or display
		 *
		 * @global object $wpdb wpdb.
		 * @param int    $user_id user_id.
		 * @param string $context context.
		 * @return mixed
		 */
		public function get_wallet_balance( $user_id = '', $context = 'view' ) {
			global $wpdb;
			if ( empty( $user_id ) ) {
				$user_id = get_current_user_id();
			}
			$this->set_user_id( $user_id );
			$this->wallet_balance = 0;
			if ( $this->user_id ) {
				$this->wallet_balance = $wpdb->get_var( $wpdb->prepare( "SELECT SUM(CASE WHEN t.type = 'credit' THEN t.amount ELSE -t.amount END) as balance FROM {$wpdb->base_prefix}woo_wallet_transactions AS t WHERE t.user_id=%d AND t.deleted=0", $this->user_id ) ); // @codingStandardsIgnoreLine
				$this->wallet_balance = (float) apply_filters( 'woo_wallet_current_balance', $this->wallet_balance, $this->user_id );
			}
			return 'view' === $context ? wc_price( $this->wallet_balance, woo_wallet_wc_price_args( $this->user_id ) ) : number_format( $this->wallet_balance, wc_get_price_decimals(), '.', '' );
		}

		/**
		 * Create wallet payment credit transaction
		 *
		 * @param int    $user_id user_id.
		 * @param float  $amount amount.
		 * @param string $details details.
		 * @param array  $args args.
		 * @return int transaction id
		 */
		public function credit( $user_id = '', $amount = 0, $details = '', $args = null ) {
			$this->set_user_id( $user_id );
			return $this->recode_transaction( $amount, 'credit', $details, $args );
		}

		/**
		 * Create wallet payment debit transaction
		 *
		 * @param int    $user_id user_id.
		 * @param float  $amount amount.
		 * @param string $details details.
		 * @param array  $args args.
		 * @return int transaction id
		 */
		public function debit( $user_id = '', $amount = 0, $details = '', $args = null ) {
			$this->set_user_id( $user_id );
			return $this->recode_transaction( $amount, 'debit', $details, $args );
		}

		/**
		 * Credit wallet balance through order payment
		 *
		 * @param int $order_id order_id.
		 * @return void
		 */
		public function wallet_credit_purchase( $order_id ) {
			$order          = wc_get_order( $order_id );
			$wallet_product = get_wallet_rechargeable_product();
			$charge_amount  = 0;
			if ( $order->get_meta( '_wc_wallet_purchase_credited' ) || ! $wallet_product ) {
				return;
			}
			if ( ! is_wallet_rechargeable_order( $order ) ) {
				return;
			}
			$recharge_amount = apply_filters( 'woo_wallet_credit_purchase_amount', $order->get_subtotal( 'edit' ), $order_id );
			if ( 'on' === woo_wallet()->settings_api->get_option( 'is_enable_gateway_charge', '_wallet_settings_general', 'off' ) ) {
				$charge_amount = woo_wallet()->settings_api->get_option( 'charge_amount_' . $order->get_payment_method(), '_wallet_settings_general', 0 );
				if ( 'percent' === woo_wallet()->settings_api->get_option( 'gateway_charge_type', '_wallet_settings_general', 'percent' ) ) {
					$recharge_amount -= $recharge_amount * ( $charge_amount / 100 );
				} else {
					$recharge_amount -= $charge_amount;
				}
				WOO_Wallet_Helper::update_order_meta_data( $order, '_wc_wallet_purchase_gateway_charge', $charge_amount );
			}
			$transaction_id = $this->credit(
				$order->get_customer_id(),
				$recharge_amount,
				__( 'Wallet credit through purchase #', 'woo-wallet' ) . $order->get_order_number(),
				array(
					'for'      => 'credit_purchase',
					'currency' => $order->get_currency( 'edit' ),
				)
			);
			if ( $transaction_id ) {
				WOO_Wallet_Helper::update_order_meta_data( $order, '_wc_wallet_purchase_credited', true, false );
				WOO_Wallet_Helper::update_order_meta_data( $order, '_wallet_payment_transaction_id', $transaction_id );
				update_wallet_transaction_meta( $transaction_id, '_wc_wallet_purchase_gateway_charge', $charge_amount, $order->get_customer_id() );
				do_action( 'woo_wallet_credit_purchase_completed', $transaction_id, $order );
			}
		}
		/**
		 * Process wallet cashback
		 *
		 * @param integer $order_id order_id.
		 * @return void
		 */
		public function wallet_cashback( $order_id ) {
			$order = wc_get_order( $order_id );
			/* General Cashback */
			if ( apply_filters( 'process_woo_wallet_general_cashback', ! $order->get_meta( '_general_cashback_transaction_id' ) && $order->get_customer_id(), $order ) && woo_wallet()->cashback->calculate_cashback( false, $order->get_id() ) ) {
				$transaction_id = $this->credit(
					$order->get_customer_id(),
					woo_wallet()->cashback->calculate_cashback( false, $order->get_id() ),
					__( 'Wallet credit through cashback #', 'woo-wallet' ) . $order->get_order_number(),
					array(
						'for'      => 'cashback',
						'currency' => $order->get_currency( 'edit' ),
					)
				);
				if ( $transaction_id ) {
					WOO_Wallet_Helper::update_order_meta_data( $order, '_general_cashback_transaction_id', $transaction_id );
					do_action( 'woo_wallet_general_cashback_credited', $transaction_id, $order );
				}
			}
			/* Coupon Cashback */
			if ( apply_filters( 'process_woo_wallet_coupon_cashback', ! $order->get_meta( '_coupon_cashback_transaction_id' ) && $order->get_customer_id(), $order ) && $order->get_meta( '_coupon_cashback_amount' ) ) {
				$coupon_cashback_amount = apply_filters( 'woo_wallet_coupon_cashback_amount', $order->get_meta( '_coupon_cashback_amount' ), $order );
				if ( $coupon_cashback_amount ) {
					$transaction_id = $this->credit(
						$order->get_customer_id(),
						$coupon_cashback_amount,
						__( 'Wallet credit through cashback by applying coupon', 'woo-wallet' ),
						array(
							'for'      => 'cashback',
							'currency' => $order->get_currency( 'edit' ),
						)
					);
					if ( $transaction_id ) {
						WOO_Wallet_Helper::update_order_meta_data( $order, '_coupon_cashback_transaction_id', $transaction_id );
						do_action( 'woo_wallet_coupon_cashback_credited', $transaction_id, $order );
					}
				}
			}
		}
		/**
		 * Actions after woocommerce create order from checkout page.
		 *
		 * @param WC_Order|int $order order.
		 * @return void
		 */
		public function woocommerce_order_processed( $order ) {
			if ( ! $order instanceof WC_Order ) {
				$order = wc_get_order( $order );
			}
			// Deduct partial payment amount.
			$partial_payment_amount = get_order_partial_payment_amount( $order->get_id() );
			if ( $partial_payment_amount && ! $order->get_meta( '_partial_pay_through_wallet_compleate' ) ) {
				$transaction_id = $this->debit( $order->get_customer_id(), $partial_payment_amount, __( 'For order payment #', 'woo-wallet' ) . $order->get_order_number(), array( 'for' => 'partial_payment' ) );
				if ( $transaction_id ) {
					/* translators: wallet amount */
					$order->add_order_note( sprintf( __( '%s paid through wallet', 'woo-wallet' ), wc_price( $partial_payment_amount, woo_wallet_wc_price_args( $order->get_customer_id() ) ) ) );
					WOO_Wallet_Helper::update_order_meta_data( $order, '_partial_pay_through_wallet_compleate', $transaction_id );
					do_action( 'woo_wallet_partial_payment_completed', $transaction_id, $order );
				}
			}
			// Update order meta if wallet rechargable order.
			if ( is_wallet_rechargeable_order( $order ) ) {
				WOO_Wallet_Helper::update_order_meta_data( $order, '_wallet_rechargeable_order', true );
			} else {
				WOO_Wallet_Helper::update_order_meta_data( $order, '_wallet_rechargeable_order', false );
			}
			// Update partial payment session.
			update_wallet_partial_payment_session();
		}
		/**
		 * Process cancle order.
		 *
		 * @param integer $order_id order_id.
		 * @return void
		 */
		public function process_cancelled_order( $order_id ) {
			$order = wc_get_order( $order_id );
			/** Credit partial payment amount * */
			$partial_payment_amount = get_order_partial_payment_amount( $order_id );
			if ( $partial_payment_amount && $order->get_meta( '_partial_pay_through_wallet_compleate' ) ) {
				/* translators: Order number */
				$this->credit( $order->get_customer_id(), $partial_payment_amount, sprintf( __( 'Your order with ID #%s has been cancelled and hence your wallet amount has been refunded!', 'woo-wallet' ), $order->get_order_number() ), array( 'currency' => $order->get_currency( 'edit' ) ) );
				/* translators: wallet amount */
				$order->add_order_note( sprintf( __( 'Wallet amount %s has been credited to customer upon cancellation', 'woo-wallet' ), $partial_payment_amount ) );
				$order->delete_meta_data( '_partial_pay_through_wallet_compleate' );
				WOO_Wallet_Helper::update_order_meta_data( $order, '_woo_wallet_partial_payment_refunded', true );
			}

			/** Debit cashback amount * */
			if ( apply_filters( 'woo_wallet_debit_cashback_upon_cancellation', get_total_order_cashback_amount( $order_id ) ) ) {
				$total_cashback_amount = get_total_order_cashback_amount( $order_id );
				if ( $total_cashback_amount ) {
					/* translators: Order number */
					if ( $this->debit( $order->get_customer_id(), $total_cashback_amount, sprintf( __( 'Cashback for #%s has been debited upon cancellation', 'woo-wallet' ), $order->get_order_number() ) ) ) {
						$order->delete_meta_data( '_general_cashback_transaction_id' );
						$order->delete_meta_data( '_coupon_cashback_transaction_id' );
						$order->save();
					}
				}
			}
		}

		/**
		 * Record wallet transactions
		 *
		 * @global object $wpdb wpdb.
		 * @param int    $amount amount.
		 * @param string $type type.
		 * @param string $details details.
		 * @param array  $args args.
		 * @return boolean | transaction id
		 */
		private function recode_transaction( $amount, $type, $details, $args = null ) {
			global $wpdb;

			if ( ! $this->user_id ) {
				return false;
			}
			if ( is_wallet_account_locked( $this->user_id ) ) {
				return false;
			}
			if ( $amount < 0 ) {
				$amount = 0;
			}
			$balance = $this->get_wallet_balance( $this->user_id, 'edit' );
			if ( 'debit' === $type && apply_filters( 'woo_wallet_disallow_negative_transaction', ( $balance <= 0 || $amount > $balance ), $amount, $balance ) ) {
				return false;
			}
			if ( 'credit' === $type ) {
				$balance += $amount;
			} elseif ( 'debit' === $type ) {
				$balance -= $amount;
			}
			$defaults = array(
				'blog_id'    => get_current_blog_id(),
				'user_id'    => $this->user_id,
				'type'       => $type,
				'amount'     => $amount,
				'balance'    => $balance,
				'currency'   => get_woocommerce_currency(),
				'details'    => $details,
				'date'       => current_time( 'mysql' ),
				'created_by' => get_current_user_id(),
				'for'        => '',
			);

			$parsed_args = wp_parse_args( $args, $defaults );

			if ( $wpdb->insert( // phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery
				"{$wpdb->base_prefix}woo_wallet_transactions",
				apply_filters(
					'woo_wallet_transactions_args',
					array(
						'blog_id'    => $parsed_args['blog_id'],
						'user_id'    => $parsed_args['user_id'],
						'type'       => $parsed_args['type'],
						'amount'     => $parsed_args['amount'],
						'balance'    => $parsed_args['balance'],
						'currency'   => $parsed_args['currency'],
						'details'    => $parsed_args['details'],
						'date'       => $parsed_args['date'],
						'created_by' => $parsed_args['created_by'],
					),
					array( '%d', '%d', '%s', '%f', '%f', '%s', '%s', '%s', '%d' )
				)
			) ) {
				$transaction_id = $wpdb->insert_id;
				if ( $parsed_args['for'] ) {
					update_wallet_transaction_meta( $transaction_id, '_type', $parsed_args['for'], $parsed_args['user_id'] );
				}
				update_user_meta( $this->user_id, $this->meta_key, $balance );
				clear_woo_wallet_cache( $this->user_id );
				do_action( 'woo_wallet_transaction_recorded', $transaction_id, $this->user_id, $amount, $type );
				$email_admin = WC()->mailer()->emails['Woo_Wallet_Email_New_Transaction'];
				if ( ! is_null( $email_admin ) && apply_filters( 'is_enable_email_notification_for_transaction', true, $transaction_id ) ) {
					$email_admin->trigger( $transaction_id );
				}
				$low_balance_email = WC()->mailer()->emails['Woo_Wallet_Email_Low_Wallet_Balance'];
				if ( ! is_null( $low_balance_email ) ) {
					$low_balance_email->trigger( $this->user_id, $type );
				}
				return $transaction_id;
			}
			return false;
		}
	}

}