// vim: set tw=80 ts=4 sw=4 sts=4:
/*
    This file is part of Accountant.

    Accountant is free software: you can redistribute it and/or modify
    it under the terms of the GNU Affero General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    Accountant is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU Affero General Public License for more details.

    You should have received a copy of the GNU Affero General Public License
    along with Accountant.  If not, see <http://www.gnu.org/licenses/>.
 */
/* jshint node: true */
'use strict';

var angular = require('angular');

var ngResource       = require('angular-resource'),
    ngMessages       = require('angular-messages'),
    ngUiNotification = require('angular-ui-notification'),
    ngBootbox        = require('ngbootbox');

// Note: ngBootbox seems to have no module.exports.
ngBootbox = 'ngBootbox';

// FIXME Alexis Lahouze 2017-06-06 move into templates.js.
require('../../views/account.form.tmpl.html');

var accountModule = angular.module('accountant.accounts', [
    ngResource,
    ngMessages,
    ngUiNotification,
    ngBootbox
])

.config(function($resourceProvider) {
    // Keep trailing slashes to avoid redirect by flask..
    $resourceProvider.defaults.stripTrailingSlashes = false;
})

.factory('Account', function($resource) {
    var Account = $resource(
        '/api/account/:id', {
            id: '@id'
        }
    );

    Account.prototype.getSolds = function() {
        var Solds = $resource('/api/account/:id/balances', {id: this.id});

        this.solds = Solds.get();
    };

    Account.prototype.getBalance = function(begin, end) {
        var Balance = $resource(
            '/api/account/:id/balance', {
                id: this.id,
                begin: begin.format('YYYY-MM-DD'),
                end: end.format('YYYY-MM-DD')
            });

        this.balance = Balance.get();
    };

    return Account;
})

.controller('AccountController', function($ngBootbox, Account, Notification) {
    var vm = this;

    /*
     * Return the class for an account current value compared to authorized
     * overdraft.
     */
    vm.rowClass = function(account) {
        // eslint-disable-next-line camelcase
        if (!account || !account.authorized_overdraft || !account.current) {
            return;
        }

        // eslint-disable-next-line camelcase
        if (account.current < account.authorized_overdraft) {
            return 'danger';
        } else if (account.current < 0) {
            return 'warning';
        }
    };

    /*
     * Return the class for a value compared to account authorized overdraft.
     */
    vm.valueClass = function(account, value) {
        if (!account || !value) {
            return;
        }

        // eslint-disable-next-line camelcase
        if (value < account.authorized_overdraft) {
            return 'text-danger';
        } else if (value < 0) {
            return 'text-warning';
        }
    };

    /*
     * Add an empty account.
     */
    vm.add = function() {
        var account = new Account({
            // eslint-disable-next-line camelcase
            authorized_overdraft: 0
        });

        // Insert account at the begining of the array.
        vm.accounts.splice(0, 0, account);
    };

    /*
     * Cancel account edition. Remove it from array if a new one.
     */
    vm.cancelEdit = function(rowform, account, $index) {
        if (account.id) {
            rowform.$cancel();
        } else {
            // Account not saved, just remove it from array.
            vm.accounts.splice($index, 1);
        }
    };

    /*
     * Save account.
     */
    vm.save = function(account) {
        // var account = vm.accounts[$index];

        // account = angular.merge(account, $data);

        return account.$save().then(function(data) {
            Notification.success('Account #' + data.id + ' saved.');

            // TODO Alexis Lahouze 2016-03-08 Update solds

            return data;
        });
    };

    /*
     * Delete an account.
     */
    vm.delete = function(account, $index) {
        var id = account.id;

        $ngBootbox.confirm(
            'Voulez-vous supprimer le compte \'' + account.name + '\' ?',
            function(result) {
                if (result) {
                    account.$delete().then(function() {
                        Notification.success('Account #' + id + ' deleted.');

                        // Remove account from array.
                        vm.accounts.splice($index, 1);
                    });
                }
            }
        );
    };

    // Load accounts.
    vm.accounts = Account.query();
})

.directive('accountFormDialog', function(Account, $ngBootbox, Notification, $log) {
    return {
        restrict: 'A',
        scope: {
            account: '=ngModel'
        },
        link: function(scope, element) {
            var title = 'Account';

            if (scope.account && scope.account.id) {
                title = title + ' #' + scope.account.id;
            }

            scope.form = {};

            scope.submitForm = function() {
                // check to make sure the form is completely valid
                if (!scope.form.$valid) {
                    return false;
                }

                // Authorized overdraft is a positive integer but data is a negative integer.
                // eslint-disable-next-line camelcase
                scope.data.authorized_overdraft = -scope.data.authorized_overdraft;

                angular.copy(scope.data, scope.account);

                // Save account
                $log.log(scope.account);
                return scope.account.$save().then(
                    function(data) {
                        Notification.success('Account #' + data.id + ' saved.');

                        scope.account.getSolds();

                        return data;
                    },
                    function(data) {
                        Notification.error('Error while saving account #' + data.id);
                        scope.account.getSolds();
                        $log.log(data);
                        return false;
                    }
                );
            };

            element.on('click', function() {
                // Create new account if not passed in ng-model.
                if (!scope.account) {
                    scope.account = new Account({
                        // eslint-disable-next-line camelcase
                        authorized_overdraft: 0
                    });
                }

                scope.data = {};
                angular.copy(scope.account, scope.data);

                // Authorized overdraft must be positive in form.
                // eslint-disable-next-line camelcase
                scope.data.authorized_overdraft = -scope.data.authorized_overdraft;

                // Open dialog with form.
                $ngBootbox.customDialog({
                    scope: scope,
                    title: title,
                    templateUrl: '/views/account.form.tmpl.html',
                    onEscape: true,
                    buttons: {
                        save: {
                            label: 'Save',
                            className: 'btn-success',
                            callback: scope.submitForm
                        },
                        cancel: {
                            label: 'Cancel',
                            className: 'btn-default',
                            callback: true
                        }
                    }
                });
            });
        }
    };
});

module.exports = accountModule;