var accountFormTmpl = require('./account.form.tmpl.html'),
    accountDeleteTmpl = require('./account.delete.tmpl.html');

module.exports = function(Account, AccountBalances, Notification, $log, $modal) {
    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';
        }
    };

    vm.load = function() {
        vm.accounts = Account.query({}, function(result) {
            return result.map(function(item) {
                item.balances = AccountBalances.get({id: item.id});
                return item;
            });
        });
    };

    /*
     * 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.
        return vm.modify(account);
    };

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

            vm.load();

            return data;
        }, function(result){
            $log.error('Error while saving account', account, result);

            Notification.error(
                'Error while saving account: ' + result.message
            );
        });
    };

    vm.confirmDelete = function(account) {
        var title = "Delete account #" + account.id;

        $modal({
            templateUrl: accountDeleteTmpl,
            controller: function($scope, title, account, $delete) {
                $scope.title = title;
                $scope.account = account;
                $scope.$delete = function() {
                    $scope.$hide();
                    $delete($scope.account);
                };
            },
            locals: {
                title: title,
                account: account,
                $delete: vm.delete
            }
        });
    };

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

        return account.$delete().then(function() {
            Notification.success('account #' + id + ' deleted.');

            vm.load();

            return account;
        }, function(result) {
            Notification.error(
                'An error occurred while trying to delete account #' +
                id + ':<br />' + result
            );
        });
    };

    /*
     * Open the popup to modify the account, save it on confirm.
     */
    vm.modify = function(account) {
        // FIXME Alexis Lahouze 2017-06-15 i18n
        var title = "Account";

        if (account.id) {
            title = title + " #" + account.id;
        }

        $modal({
            templateUrl: accountFormTmpl,
            controller: function($scope, title, account, $save) {
                $scope.title = title;
                $scope.account = account;
                $scope.account.authorized_overdraft *= -1;
                $scope.$save = function() {
                    $scope.$hide();
                    $scope.account.authorized_overdraft *= -1;
                    $save($scope.account);
                };
            },
            locals: {
                title: title,
                account: account,
                $save: vm.save
            }
        });
    };

    // Load accounts.
    vm.load();
};