<?php

namespace Payplug\PayplugWoocommerce\Service;

class Configuration
{
    private $current_configuration = [];
    private $expected_fields = [
        // merchant configuration
        'email' => [
            'type' => 'string',
            'default' => '',
        ],
        'company_id' => [
            'type' => 'string',
            'default' => '',
        ],
        'company_iso' => [
            'type' => 'string',
            'default' => '',
        ],
        'country' => [
            'type' => 'string',
            'default' => '',
        ],
        'currencies' => [
            'type' => 'string',
            'default' => '{}',
        ],

        // authentication
        'jwt' => [
            'type' => 'string',
            'default' => '{}',
        ],
        'api_key' => [
            'type' => 'string',
            'default' => '{}',
        ],
        'oauth_client_data' => [
            'type' => 'string',
            'default' => '{}',
        ],
        'oauth_client_id' => [
            'type' => 'string',
            'default' => '',
        ],
        'oauth_callback_uri' => [
            'type' => 'string',
            'default' => '',
        ],
        'oauth_code_verifier' => [
            'type' => 'string',
            'default' => '',
        ],
        'oauth_company_id' => [
            'type' => 'string',
            'default' => '',
        ],

        // payment_methods permissions
        'payment_methods' => [
            'permissions' => [
                //
                'payplug' => [
                    'enabled' => [
                        'type' => 'bool',
                        'default' => false,
                    ],
                    'countries' => [
                        'type' => 'string',
                        'default' => '{}', // Precise iso code if require e.g. "0 => 'FR'" or "0 => 'ALL'"
                    ],
                    'amounts' => [
                        'type' => 'string',
                        'default' => '{}', // Contain currency e.g. "{"min":{"EUR": 30}, "max":{"EUR": 2000000}}"
                    ],
                ],
                'installment' => [
                    'enabled' => [
                        'type' => 'bool',
                        'default' => false,
                    ],
                    'countries' => [
                        'type' => 'string',
                        'default' => '{}', // Precise iso code if require e.g. "0 => 'FR'" or "0 => 'ALL'"
                    ],
                    'amounts' => [
                        'type' => 'string',
                        'default' => '{}', // Contain currency e.g. "{"min":{"EUR": 30}, "max":{"EUR": 2000000}}"
                    ],
                ],
                'deferred' => [
                    'enabled' => [
                        'type' => 'bool',
                        'default' => false,
                    ],
                    'countries' => [
                        'type' => 'string',
                        'default' => '{}', // Precise iso code if require e.g. "0 => 'FR'" or "0 => 'ALL'"
                    ],
                    'amounts' => [
                        'type' => 'string',
                        'default' => '{}', // Contain currency e.g. "{"min":{"EUR": 30}, "max":{"EUR": 2000000}}"
                    ],
                ],
                'one_click' => [
                    'enabled' => [
                        'type' => 'bool',
                        'default' => false,
                    ],
                    'countries' => [
                        'type' => 'string',
                        'default' => '{}', // Precise iso code if require e.g. "0 => 'FR'" or "0 => 'ALL'"
                    ],
                    'amounts' => [
                        'type' => 'string',
                        'default' => '{}', // Contain currency e.g. "{"min":{"EUR": 30}, "max":{"EUR": 2000000}}"
                    ],
                ],

                //
                'apple_pay' => [
                    'allowed_domains' => [
                        'type' => 'string',
                        'default' => '{}', // Contain currency e.g. "{"min":{"EUR": 30}, "max":{"EUR": 2000000}}"
                    ],
                    'enabled' => [
                        'type' => 'bool',
                        'default' => false,
                    ],
                    'countries' => [
                        'type' => 'string',
                        'default' => '{}', // Precise iso code if require e.g. "0 => 'FR'" or "0 => 'ALL'"
                    ],
                    'amounts' => [
                        'type' => 'string',
                        'default' => '{}', // Contain currency e.g. "{"min":{"EUR": 30}, "max":{"EUR": 2000000}}"
                    ],
                ],
                'american_express' => [
                    'enabled' => [
                        'type' => 'bool',
                        'default' => false,
                    ],
                    'countries' => [
                        'type' => 'string',
                        'default' => '{}', // Precise iso code if require e.g. "0 => 'FR'" or "0 => 'ALL'"
                    ],
                    'amounts' => [
                        'type' => 'string',
                        'default' => '{}', // Contain currency e.g. "{"min":{"EUR": 30}, "max":{"EUR": 2000000}}"
                    ],
                ],
                'oney_x3_with_fees' => [
                    'enabled' => [
                        'type' => 'bool',
                        'default' => false,
                    ],
                    'countries' => [
                        'type' => 'string',
                        'default' => '{}', // Precise iso code if require e.g. "0 => 'FR'" or "0 => 'ALL'"
                    ],
                    'amounts' => [
                        'type' => 'string',
                        'default' => '{}', // Contain currency e.g. "{"min":{"EUR": 30}, "max":{"EUR": 2000000}}"
                    ],
                ],
                'oney_x4_with_fees' => [
                    'enabled' => [
                        'type' => 'bool',
                        'default' => false,
                    ],
                    'countries' => [
                        'type' => 'string',
                        'default' => '{}', // Precise iso code if require e.g. "0 => 'FR'" or "0 => 'ALL'"
                    ],
                    'amounts' => [
                        'type' => 'string',
                        'default' => '{}', // Contain currency e.g. "{"min":{"EUR": 30}, "max":{"EUR": 2000000}}"
                    ],
                ],
                'oney_x3_without_fees' => [
                    'enabled' => [
                        'type' => 'bool',
                        'default' => false,
                    ],
                    'countries' => [
                        'type' => 'string',
                        'default' => '{}', // Precise iso code if require e.g. "0 => 'FR'" or "0 => 'ALL'"
                    ],
                    'amounts' => [
                        'type' => 'string',
                        'default' => '{}', // Contain currency e.g. "{"min":{"EUR": 30}, "max":{"EUR": 2000000}}"
                    ],
                ],
                'oney_x4_without_fees' => [
                    'enabled' => [
                        'type' => 'bool',
                        'default' => false,
                    ],
                    'countries' => [
                        'type' => 'string',
                        'default' => '{}', // Precise iso code if require e.g. "0 => 'FR'" or "0 => 'ALL'"
                    ],
                    'amounts' => [
                        'type' => 'string',
                        'default' => '{}', // Contain currency e.g. "{"min":{"EUR": 30}, "max":{"EUR": 2000000}}"
                    ],
                ],
                'bancontact' => [
                    'enabled' => [
                        'type' => 'bool',
                        'default' => false,
                    ],
                    'countries' => [
                        'type' => 'string',
                        'default' => '{}', // Precise iso code if require e.g. "0 => 'FR'" or "0 => 'ALL'"
                    ],
                    'amounts' => [
                        'type' => 'string',
                        'default' => '{}', // Contain currency e.g. "{"min":{"EUR": 30}, "max":{"EUR": 2000000}}"
                    ],
                ],
                'giropay' => [
                    'enabled' => [
                        'type' => 'bool',
                        'default' => false,
                    ],
                    'countries' => [
                        'type' => 'string',
                        'default' => '{}', // Precise iso code if require e.g. "0 => 'FR'" or "0 => 'ALL'"
                    ],
                    'amounts' => [
                        'type' => 'string',
                        'default' => '{}', // Contain currency e.g. "{"min":{"EUR": 30}, "max":{"EUR": 2000000}}"
                    ],
                ],
                'ideal' => [
                    'enabled' => [
                        'type' => 'bool',
                        'default' => false,
                    ],
                    'countries' => [
                        'type' => 'string',
                        'default' => '{}', // Precise iso code if require e.g. "0 => 'FR'" or "0 => 'ALL'"
                    ],
                    'amounts' => [
                        'type' => 'string',
                        'default' => '{}', // Contain currency e.g. "{"min":{"EUR": 30}, "max":{"EUR": 2000000}}"
                    ],
                ],
                'mybank' => [
                    'enabled' => [
                        'type' => 'bool',
                        'default' => false,
                    ],
                    'countries' => [
                        'type' => 'string',
                        'default' => '{}', // Precise iso code if require e.g. "0 => 'FR'" or "0 => 'ALL'"
                    ],
                    'amounts' => [
                        'type' => 'string',
                        'default' => '{}', // Contain currency e.g. "{"min":{"EUR": 30}, "max":{"EUR": 2000000}}"
                    ],
                ],
                'satispay' => [
                    'enabled' => [
                        'type' => 'bool',
                        'default' => false,
                    ],
                    'countries' => [
                        'type' => 'string',
                        'default' => '{}', // Precise iso code if require e.g. "0 => 'FR'" or "0 => 'ALL'"
                    ],
                    'amounts' => [
                        'type' => 'string',
                        'default' => '{}', // Contain currency e.g. "{"min":{"EUR": 30}, "max":{"EUR": 2000000}}"
                    ],
                ],
                'sofort' => [
                    'enabled' => [
                        'type' => 'bool',
                        'default' => false,
                    ],
                    'countries' => [
                        'type' => 'string',
                        'default' => '{}', // Precise iso code if require e.g. "0 => 'FR'" or "0 => 'ALL'"
                    ],
                    'amounts' => [
                        'type' => 'string',
                        'default' => '{}', // Contain currency e.g. "{"min":{"EUR": 30}, "max":{"EUR": 2000000}}"
                    ],
                ],
                'wero' => [
                    'enabled' => [
                        'type' => 'bool',
                        'default' => false,
                    ],
                    'countries' => [
                        'type' => 'string',
                        'default' => '{}', // Precise iso code if require e.g. "0 => 'FR'" or "0 => 'ALL'"
                    ],
                    'amounts' => [
                        'type' => 'string',
                        'default' => '{}', // Contain currency e.g. "{"min":{"EUR": 30}, "max":{"EUR": 2000000}}"
                    ],
                ],
                'bizum' => [
                    'enabled' => [
                        'type' => 'bool',
                        'default' => false,
                    ],
                    'countries' => [
                        'type' => 'string',
                        'default' => '{}', // Precise iso code if require e.g. "0 => 'FR'" or "0 => 'ALL'"
                    ],
                    'amounts' => [
                        'type' => 'string',
                        'default' => '{}', // Contain currency e.g. "{"min":{"EUR": 30}, "max":{"EUR": 2000000}}"
                    ],
                ],
                'scalapay' => [
                    'enabled' => [
                        'type' => 'bool',
                        'default' => false,
                    ],
                    'countries' => [
                        'type' => 'string',
                        'default' => '{}', // Precise iso code if require e.g. "0 => 'FR'" or "0 => 'ALL'"
                    ],
                    'amounts' => [
                        'type' => 'string',
                        'default' => '{}', // Contain currency e.g. "{"min":{"EUR": 30}, "max":{"EUR": 2000000}}"
                    ],
                ],
            ],
            'configuration' => [
                'payplug' => [
                    'active' => [
                        'type' => 'bool',
                        'default' => true,
                    ],
                    'title' => [
                        'type' => 'string',
                        'default' => '',
                    ],
                    'description' => [
                        'type' => 'string',
                        'default' => '',
                    ],
                    'save_card' => [
                        'type' => 'bool',
                        'default' => false,
                    ],
                    'defered' => [
                        'type' => 'bool',
                        'default' => false,
                    ],
                    'auto_capture' => [
                        'type' => 'integer',
                        'default' => 0,
                    ],
                    'embedded_mode' => [
                        'type' => 'string',
                        'default' => 'redirect',
                    ],
                ],
                'installments' => [
                    'active' => [
                        'type' => 'bool',
                        'default' => false,
                    ],
                    'min_amount' => [
                        'type' => 'integer',
                        'default' => 150,
                    ],
                    'mode' => [
                        'type' => 'integer',
                        'default' => 3,
                    ],
                ],
                'apple_pay' => [
                    'active' => [
                        'type' => 'bool',
                        'default' => false,
                    ],
                    'carriers' => [
                        'type' => 'string',
                        'default' => '{}',
                    ],
                    'display' => [
                        'type' => 'string',
                        'default' => '{"cart":true,"checkout":true,"product":false}',
                    ],
                ],
                'oney' => [
                    'active' => [
                        'type' => 'bool',
                        'default' => false,
                    ],
                    'cta_cart' => [
                        'type' => 'bool',
                        'default' => false,
                    ],
                    'cta_product' => [
                        'type' => 'bool',
                        'default' => false,
                    ],
                    'default_amounts' => [
                        'type' => 'string',
                        'default' => '{"min":10000, "max":300000}',
                    ],
                    'custom_amounts' => [
                        'type' => 'string',
                        'default' => '{"min":10000, "max":300000}',
                    ],
                    'with_fees' => [
                        'type' => 'bool',
                        'default' => false,
                    ],
                    'optimized' => [
                        'type' => 'bool',
                        'default' => false,
                    ],
                ],
                'american_express' => [
                    'active' => [
                        'type' => 'bool',
                        'default' => false,
                    ],
                ],
                'bancontact' => [
                    'active' => [
                        'type' => 'bool',
                        'default' => false,
                    ],
                ],
                'giropay' => [
                    'active' => [
                        'type' => 'bool',
                        'default' => false,
                    ],
                ],
                'ideal' => [
                    'active' => [
                        'type' => 'bool',
                        'default' => false,
                    ],
                ],
                'mybank' => [
                    'active' => [
                        'type' => 'bool',
                        'default' => false,
                    ],
                ],
                'satispay' => [
                    'active' => [
                        'type' => 'bool',
                        'default' => false,
                    ],
                ],
                'sofort' => [
                    'active' => [
                        'type' => 'bool',
                        'default' => false,
                    ],
                ],
                'wero' => [
                    'active' => [
                        'type' => 'bool',
                        'default' => false,
                    ],
                ],
                'bizum' => [
                    'active' => [
                        'type' => 'bool',
                        'default' => false,
                    ],
                ],
                'scalapay' => [
                    'active' => [
                        'type' => 'bool',
                        'default' => false,
                    ],
                ],
            ],
        ],

        // other configuration
        'telemetry_hash' => [
            'type' => 'string',
            'default' => '',
        ],
        'enabled' => [
            'type' => 'bool',
            'default' => true,
        ],
        'debug' => [
            'type' => 'bool',
            'default' => false,
        ],
        'mode' => [
            'type' => 'bool',
            'default' => false,
        ],
        'version' => [
            'type' => 'string',
            'default' => '',
        ],
    ];
    private $old_keys = [
        'american_express' => 'payment_methods.configuration.american_express.active',
        'apple_pay' => 'payment_methods.configuration.apple_pay.active',
        'applepay_carriers' => 'payment_methods.configuration.apple_pay.carriers',
        'applepay_cart' => 'payment_methods.configuration.apple_pay.display.cart',
        'applepay_checkout' => 'payment_methods.configuration.apple_pay.display.checkout',
        'applepay_product' => 'payment_methods.configuration.apple_pay.display.product',
        'bancontact' => 'payment_methods.configuration.bancontact.active',
        'debug' => 'debug',
        'description' => 'payment_methods.configuration.payplug.description',
        'email' => 'email',
        'enabled' => 'enabled',
        'ideal' => 'payment_methods.configuration.ideal.active',
        'mode' => 'mode',
        'mybank' => 'payment_methods.configuration.mybank.active',
        'oneclick' => 'payment_methods.configuration.payplug.save_card',
        'oney' => 'payment_methods.configuration.oney.active',
        'oney_product_animation' => 'payment_methods.configuration.oney.cta_product',
        'oney_thresholds_max' => 'payment_methods.configuration.oney.custom_amounts.max',
        'oney_thresholds_min' => 'payment_methods.configuration.oney.custom_amounts.min',
        'oney_type' => 'payment_methods.configuration.oney.with_fees',
        'payment_method' => 'payment_methods.configuration.payplug.embedded_mode',
        'payplug' => 'payment_methods.configuration.payplug.active',
        'payplug_live_key' => 'api_key.live',
        'payplug_merchant_id' => 'company_id',
        'payplug_test_key' => 'api_key.test',
        'satispay' => 'payment_methods.configuration.satispay.active',
        'title' => 'payment_methods.configuration.payplug.title',
    ];

    public function __construct()
    {
        $this->current_configuration = get_option('woocommerce_payplug_settings', []);
    }

    /**
     * @description initialize option from expected fields
     *
     * @return array
     */
    public function initialize_option()
    {
        $options = $this->extract_options_from_fields();

        return $this->update_options($options);
    }

    /**
     * @description get default configuration value from expected fields (recursively)
     *
     * @param $fields
     *
     * @return array
     */
    public function extract_options_from_fields($fields = null)
    {
        if ($fields === null) {
            $fields = $this->get_expected_fields();
        }
        $options = [];
        foreach ($fields as $key => $value) {
            if (is_array($value) && array_key_exists('default', $value)) {
                $options[$key] = $value['default'];
            } elseif (is_array($value)) {
                $options[$key] = $this->extract_options_from_fields($value);
            }
        }

        return $options;
    }

    /**
     * @description Delete all configurations related to the plugin
     *
     * @return void
     */
    public function clean_option(): void
    {
        $this->current_configuration = null;
        delete_option('woocommerce_payplug_settings');
        delete_site_option('woocommerce_payplug_settings');
    }

    /**
     * @description Get configurations
     *
     * @return mixed
     */
    public function get_options()
    {
        return $this->current_configuration;
    }

    /**
     * @description Return configuration value for a given key
     * todo: add default return value
     *
     * @param $option_name
     * @param $options
     *
     * @return mixed|null
     */
    public function get_option($option_name = '', $options = null)
    {
        if (!is_string($option_name) || empty($option_name)) {
            return null;
        }

        $options = $options ? $options : $this->get_options();

        // Convert name to array
        $option_name = explode('.', $option_name);

        // Get first iteration
        $name = reset($option_name);
        if (!array_key_exists($name, $options)) {
            return null;
        }

        // if no more sub option, return current one
        unset($option_name[0]);
        if (empty($option_name)) {
            return $options[$name];
        }

        // else return the sub option
        $option_name = implode('.', $option_name);

        return $this->get_option($option_name, $options[$name]);
    }

    /**
     * @description Update confurations values
     * todo: check return value type
     *
     * @param $options_to_update
     *
     * @return mixed
     */
    public function update_options($options_to_update = [])
    {
        $options = $this->get_options();
        foreach ($options_to_update as $key => $value) {
            $options[$key] = $value;
        }
        $this->current_configuration = $options;

        return update_option('woocommerce_payplug_settings', apply_filters('woocommerce_settings_api_sanitized_fields_payplug', $options));
    }

    /**
     * @description Update confurations for a given key
     *
     * @param $key
     * @param $value
     *
     * @return array
     */
    public function update_option($key = '', $value = null)
    {
        if (!is_string($key) || empty($key)) {
            return [];
        }

        if (!array_key_exists($key, $this->expected_fields)) {
            return [];
        }

        $options = $this->get_options();
        $options[$key] = $value;

        return $this->update_options($options);
    }

    /**
     * @description Update payment configuration permission
     *
     * @param $payment_permissions
     *
     * @return mixed
     */
    public function update_payment_permissions($payment_permissions = [])
    {
        $options = $this->get_options();
        $options['payment_methods']['permissions'] = $payment_permissions;
        $this->current_configuration = $options;

        return update_option('woocommerce_payplug_settings', apply_filters('woocommerce_settings_api_sanitized_fields_payplug', $options));
    }

    /**
     * @description Get the expected fields
     *
     * @return array
     */
    public function get_expected_fields()
    {
        return $this->expected_fields;
    }

    /**
     * @description Validate if the current configuration is valide (for example: when plugin is upgraded)
     *
     * @return array
     */
    public function validate_configuration()
    {
        $options = $this->extract_options_from_fields();
        foreach ($this->old_keys as $key => $value) {
            if (!isset($this->current_configuration[$key])) {
                continue;
            }
            switch ($key) {
                case 'applepay_carriers':
                    $carriers = $this->current_configuration['applepay_carriers'];
                    if (!empty($carriers)) {
                        $options['payment_methods']['configuration']['apple_pay']['carriers'] = json_encode($carriers);
                    }
                    break;

                case 'applepay_cart':
                case 'applepay_checkout':
                case 'applepay_product':
                    $display = str_replace('applepay_', '', $key);
                    $applepay_display = json_decode($options['payment_methods']['configuration']['apple_pay']['display'], true);
                    $applepay_display[$display] = 'yes' == $this->current_configuration[$key];
                    $options['payment_methods']['configuration']['apple_pay']['display'] = json_encode($applepay_display);
                    break;
                case 'oney_product_animation':
                    $options['payment_methods']['configuration']['oney']['cta_product'] = 'yes' == $this->current_configuration['oney_product_animation'];
                    break;
                case 'oney_thresholds_min':
                case 'oney_thresholds_max':
                    $thresholds = str_replace('oney_thresholds_', '', $key);
                    $custom_amounts = json_decode($options['payment_methods']['configuration']['oney']['custom_amounts'], true);
                    $custom_amounts[$thresholds] = $this->current_configuration[$key];
                    $options['payment_methods']['configuration']['oney']['custom_amounts'] = json_encode($custom_amounts);
                    break;
                case 'oney_type':
                    $options['payment_methods']['configuration']['oney']['with_fees'] = $this->current_configuration['oney_type'];
                    break;
                case 'description':
                    $options['payment_methods']['configuration']['payplug']['description'] = $this->current_configuration['description'];
                    break;
                case 'payment_method':
                    $options['payment_methods']['configuration']['payplug']['embedded_mode'] = $this->current_configuration['payment_method'];
                    break;
                case 'oneclick':
                    $options['payment_methods']['configuration']['payplug']['save_card'] = 'yes' == $this->current_configuration['oneclick'];
                    break;
                case 'title':
                    $options['payment_methods']['configuration']['payplug']['title'] = $this->current_configuration['title'];
                    break;

                case 'payplug_test_key':
                case 'payplug_live_key':
                    $mode = str_replace('payplug_', '', $key);
                    $mode = str_replace('_key', '', $mode);
                    $api = json_decode($options['api_key'], true);
                    $api[$mode] = $this->current_configuration['payplug_' . $mode . '_key'];
                    $options['api_key'] = json_encode($api);
                    break;

                case 'payplug_merchant_id':
                    $options['company_id'] = $this->current_configuration['payplug_merchant_id'];
                    break;

                case 'american_express':
                case 'apple_pay':
                case 'bancontact':
                case 'ideal':
                case 'mybank':
                case 'oney':
                case 'payplug':
                case 'satispay':
                    $options['payment_methods']['configuration'][$key]['active'] = 'yes' == $this->current_configuration[$key];
                    break;

                default:
                    $value = 'no' == $this->current_configuration[$key] ? false : $this->current_configuration[$key];
                    $options[$key] = 'yes' == $value ? true : $value;
                    break;
            }
        }

        return $options;
    }
}