<?php

namespace Give\DonorDashboards\Repositories;

use Give\Framework\Database\DB;
use Give\Receipt\DonationReceipt;
use Give\Receipt\LineItem;
use Give\ValueObjects\Money;
use Give_Payment;

/**
 * @since 2.10.0
 */
class Donations
{
    /**
     * Get donations count for donor
     *
     * @since 2.10.0
     *
     * @param int $donorId
     *
     * @return int
     */
    public function getDonationCount($donorId)
    {
        $aggregate = $this->getDonationAggregate('count(revenue.id)', $donorId);

        return $aggregate ? $aggregate->result : null;
    }

    /**
     * Get donor revenue
     *
     * @since 2.10.0
     *
     * @param int $donorId
     *
     * @return string
     */
    public function getRevenue($donorId)
    {
        $currencyCode = give_get_option('currency');
        $aggregate = $this->getDonationAggregate('sum(revenue.amount)', $donorId);

        return $aggregate ?
            $this->getAmountWithSeparators(
                Money::ofMinor($aggregate->result, $currencyCode)->getAmount(),
                $currencyCode
            ) :
            null;
    }

    /**
     * Get average donor revenue
     *
     * @since 2.10.0
     *
     * @param int $donorId
     *
     * @return string
     */
    public function getAverageRevenue($donorId)
    {
        $currencyCode = give_get_option('currency');
        $aggregate = $this->getDonationAggregate('avg(revenue.amount)', $donorId);

        return $aggregate ?
            $this->getAmountWithSeparators(
                Money::ofMinor($aggregate->result, $currencyCode)->getAmount(),
                $currencyCode
            ) :
            null;
    }

    /**
     * Generates a donation aggregate for a given donor
     *
     * @param string $rawAggregate raw SELECT to determine what to aggregate over
     * @param int    $donorId
     *
     * @return object
     */
    private function getDonationAggregate($rawAggregate, $donorId)
    {
        global $wpdb;

        return DB::get_row(
            DB::prepare(
                "
				SELECT {$rawAggregate} as result
				FROM {$wpdb->give_revenue} as revenue
					INNER JOIN {$wpdb->posts} as posts ON revenue.donation_id = posts.ID
					INNER JOIN {$wpdb->prefix}give_donationmeta as donationmeta ON revenue.donation_id = donationmeta.donation_id
				WHERE donationmeta.meta_key = '_give_payment_donor_id'
					AND donationmeta.meta_value = %d
					AND posts.post_status IN ( 'publish', 'give_subscription', 'pending' )
			",
                $donorId
            )
        );
    }

    /**
     * Get all donation ids by donor ID
     *
     * @since 2.10.0
     *
     * @param int $donorId
     *
     * @return int[] Donation IDs
     */
    protected function getDonationIDs($donorId)
    {
        $statusKeys = give_get_payment_status_keys();
        $statusQuery = "'" . implode("','", $statusKeys) . "'";

        global $wpdb;

        return DB::get_col(
            DB::prepare(
                "
				SELECT revenue.donation_id as id
				FROM {$wpdb->give_revenue} as revenue
					INNER JOIN {$wpdb->posts} as posts ON revenue.donation_id = posts.ID
					INNER JOIN {$wpdb->prefix}give_donationmeta as donationmeta ON revenue.donation_id = donationmeta.donation_id
				WHERE donationmeta.meta_key = '_give_payment_donor_id'
					AND donationmeta.meta_value = %d
					AND posts.post_status IN ( {$statusQuery} )
			",
                $donorId
            )
        );
    }

    /**
     * Get all donations by donor ID
     *
     * @since 2.12.2 return null if donation ids is empty
     * @since 2.10.0
     *
     * @param int $donorId
     *
     * @return array Donations
     */
    public function getDonations($donorId)
    {
        $ids = $this->getDonationIds($donorId);

        if (empty($ids)) {
            return null;
        }

        $args = [
            'number' => -1,
            'post__in' => $ids,
        ];

        $query = new \Give_Payments_Query($args);
        $payments = $query->get_payments();

        $donations = [];
        foreach ($payments as $payment) {
            $donations[] = [
                'id' => $payment->ID,
                'form' => $this->getFormInfo($payment),
                'payment' => $this->getPaymentInfo($payment),
                'donor' => $this->getDonorInfo($payment),
                'receipt' => $this->getReceiptInfo($payment),
            ];
        }

        return $donations;
    }

    /**
     * Get form info
     *
     * @since 2.10.0
     *
     * @param Give_Payment $payment
     *
     * @return array Payment form info
     */
    protected function getFormInfo($payment)
    {
        return [
            'title' => wp_trim_words($payment->form_title, 6, ' [...]'),
            'id' => $payment->form_id,
        ];
    }

    /**
     * Get payment info
     *
     * @since 2.10.0
     * @since 2.15.0 Use WP time format for donation time.
     *
     * @param Give_Payment $payment
     *
     * @return array Payment info
     */
    protected function getPaymentInfo($payment)
    {
        $pdfReceiptUrl = '';
        if (class_exists('Give_PDF_Receipts') && function_exists('give_pdf_receipts')) {
            $pdfReceiptUrl = html_entity_decode(give_pdf_receipts()->engine->get_pdf_receipt_url($payment->ID));
        }

        $gateways = give_get_payment_gateways();

        return [
            'amount' => $this->getFormattedAmount($payment->subtotal, $payment),
            'currency' => $payment->currency,
            'fee' => $this->getFormattedAmount(($payment->total - $payment->subtotal), $payment),
            'total' => $this->getFormattedAmount($payment->total, $payment),
            'method' => isset($gateways[$payment->gateway]['checkout_label']) ? $gateways[$payment->gateway]['checkout_label'] : '',
            'status' => $this->getFormattedStatus($payment->status),
            'date' => date_i18n(give_date_format('checkout'), strtotime($payment->date)),
            'time' => date_i18n(get_option('time_format'), strtotime($payment->date)),
            'mode' => $payment->get_meta('_give_payment_mode'),
            'pdfReceiptUrl' => $pdfReceiptUrl,
            'serialCode' => give_is_setting_enabled(give_get_option('sequential-ordering_status', 'disabled'))
                ? Give()->seq_donation_number->get_serial_code($payment)
                : $payment->ID,
        ];
    }

    /**
     * Get array containing dynamic receipt information
     *
     * @since 2.25.0 replace wp_strip_all_tags with wp_kses_post
     * @since 2.10.0
     *
     * @param Give_Payment $payment
     *
     * @return array
     */
    protected function getReceiptInfo($payment)
    {
        $receipt = new DonationReceipt($payment->ID);

        /**
         * Fire the action for receipt object.
         *
         * @since 2.7.0
         */
        do_action('give_new_receipt', $receipt);

        $receiptArr = [];

        $sectionIndex = 0;
        foreach ($receipt as $section) {
            // Continue if section does not have line items.
            if ( ! $section->getLineItems()) {
                continue;
            }

            if ('PDFReceipt' === $section->id) {
                continue;
            }

            if ('Subscription' === $section->id) {
                continue;
            }

            $receiptArr[$sectionIndex]['id'] = $section->id;

            if ($section->label) {
                $receiptArr[$sectionIndex]['label'] = $section->label;
            }

            /* @var LineItem $lineItem */
            foreach ($section as $lineItem) {
                // Continue if line item does not have value.
                if ( ! $lineItem->value) {
                    continue;
                }

                // This class is required to highlight total donation amount in receipt.
                $detailRowClass = '';
                if (DonationReceipt::DONATIONSECTIONID === $section->id) {
                    $detailRowClass = 'totalAmount' === $lineItem->id ? ' total' : '';
                }

                $label = html_entity_decode(wp_strip_all_tags($lineItem->label));
                $value = $lineItem->id === 'paymentStatus'
                    ? $this->getFormattedStatus($payment->status)
                    : html_entity_decode(wp_kses_post($lineItem->value));

                $receiptArr[$sectionIndex]['lineItems'][] = [
                    'class' => $detailRowClass,
                    'icon' => $this->getIcon($lineItem->icon),
                    'label' => $label,
                    'value' => $value,
                ];
            }

            $sectionIndex++;
        }

        return $receiptArr;
    }

    /**
     * Get icon based on icon HTML string
     *
     * @since 2.10.0
     *
     * @param string $iconHtml
     *
     * @return string
     */
    protected function getIcon($iconHtml)
    {
        if (empty($iconHtml)) {
            return '';
        }

        $iconMap = [
            'user',
            'envelope',
            'globe',
            'calendar',
            'building',
        ];

        foreach ($iconMap as $icon) {
            if (strpos($iconHtml, $icon) !== false) {
                return $icon;
            }
        }

        return 'globe';
    }

    /**
     * Get formatted status object (used for rendering status correctly in Donor Profile)
     *
     * @since 2.10.0
     *
     * @param string $status
     *
     * @return array Formatted status object (with color and label)
     */
    protected function getFormattedStatus($status)
    {
        $statusMap = [];

        $colorMap = [
            'publish' => '#7ad03a',
            'give_subscription' => '#5bc0de',
            'refunded' => '#777',
            'failed' => '#a00',
            'abandoned' => '#333',
            'revoked' => '#d9534f',
            'pending' => '#ffba00',
        ];

        foreach (give_get_payment_statuses() as $key => $value) {
            if ($status !== $key) {
                continue;
            }

            $color = '#888';
            if (in_array($key, array_keys($colorMap))) {
                $color = $colorMap[$key];
            }

            $statusMap[$key] = [
                'color' => $color,
                'label' => $value,
            ];
        }

        return isset($statusMap[$status]) ? $statusMap[$status] : [
            'color' => '#FFBA00',
            'label' => esc_html__('Unknown', 'give'),
        ];
    }

    /**
     * @since 2.10.0
     *
     * @param string $amount
     * @param string $currencyCode
     *
     * @return string
     */
    protected function getAmountWithSeparators($amount, $currencyCode)
    {
        $formatted = give_format_amount(
            $amount,
            [
                'decimal' => false,
                'sanitize' => false,
                'currency' => $currencyCode,
            ]
        );

        return $formatted ?: $amount;
    }

    /**
     * Get formatted payment amount
     *
     * @since 2.10.0
     *
     * @param Give_Payment $payment
     * @param float        $amount
     *
     * @return string Formatted payment amount (with correct decimals and currency symbol)
     */
    protected function getformattedAmount($amount, $payment)
    {
        return give_currency_filter(
            give_format_amount(
                $amount,
                [
                    'donation_id' => $payment->ID,
                ]
            ),
            [
                'currency_code' => $payment->currency,
                'decode_currency' => true,
                'sanitize' => false,
            ]
        );
    }

    /**
     * Get donor info
     *
     * @since 2.10.0
     *
     * @param Give_Payment $payment
     *
     * @return array Donor info
     */
    protected function getDonorInfo($payment)
    {
        return $payment->user_info;
    }
}