const axios = require('axios');
const ui = require('../ui/common');
const utils = require('../utils');
const status_codes = require('http-status-codes');
const STATUS_CODES = status_codes.StatusCodes;

const methods = ["get", "post", "delete"].reduce((exp, method) => ({
    ...exp,
    [method]: function(path, data, options) {
        options = Object.assign({
            acceptable_status_codes: [STATUS_CODES.OK]
        }, options || {});

        console.log(method, "to /api" + path, "with options", options);
        return axios[method](`/api${path}`, data).catch(function(axios_error) {
            logger.error(axios_error);
            return Promise.reject({
                message: axios_error.response.data || "Server Error",
                color: "red"
            });
        }).then(function(response) {
            console.log(response.data);
            if (options.acceptable_status_codes.includes(response.data.status)) {
                return response.data;
            }
            return Promise.reject(response.data);
        });
    }
}), {
    status: STATUS_CODES,
    handle_error_message: function(error) {
        if (typeof error === "string") {
            ui.show_banner({
                message: error,
                color: "red"
            });
        } else {
            ui.show_banner(error);
        }
    }
});

module.exports = {
    ...methods,
    on_submit: function(path, field_wrappers, value_conversions, value_validators, on_response) {
        on_response = on_response || (x => x);
        field_wrappers.forEach(function($field_wrapper) {
            $field_wrapper.find('button').on('click', function() {
                const data = {};
                $field_wrapper.find('input,select').each(function(i, input) {
                    let value_conversion = value_conversions[input.name] || (x => x);
                    if (input.name === "id") {
                        if (input.value === "") {
                            return;
                        }
                        value_conversion = x => parseInt(x);
                    }
                    data[input.name] = value_conversion(input.value);
                });

                utils.validate.keys(data, value_validators).then(function(data) {
                    return methods.post(path, data);
                }).then(function(data) {
                    ui.show_banner({
                        message: data.message
                    });
                    return data;
                }).then(on_response).catch(methods.handle_error_message);
            });
        });
    }
};