odoo.define('mail.composer.Chatter', function (require) {
"use strict";

var BasicComposer = require('mail.composer.Basic');
var mailUtils = require('mail.utils');
var session = require('web.session');

var core = require('web.core');
var viewDialogs = require('web.view_dialogs');

var _t = core._t;

/**
 * Chat Composer for the Chatter
 *
 * Extends the basic Composer Widget to add 'suggested partner' layer (open
 * popup when suggested partner is selected without email, or other
 * informations), and the button to open the full composer wizard.
 */
var ChatterComposer = BasicComposer.extend({
    template: 'mail.chatter.Composer',
    events: _.extend({}, BasicComposer.prototype.events, {
        'click .o_composer_button_full_composer': '_onOpenFullComposer',
        'click .o_suggested_show_more_less': '_onClickPartnerSuggestionsReadMoreLess',
    }),
    init: function (parent, model, suggestedPartners, options) {
        this._super(parent, options);
        this._model = model;
        this.suggestedPartners = suggestedPartners;
        this.options = _.defaults(this.options, {
            display_mode: 'textarea',
            recordName: false,
            isLog: false,
        });
        if (this.options.isLog) {
            this.options.sendText = _t("Log");
        }
        this.notInline = true;
    },

    //--------------------------------------------------------------------------
    // Public
    //--------------------------------------------------------------------------

    /**
     * Chatter don't clear message on sent but after successful sent
     *
     * @override
     */
    _clearComposerOnSend: function () {},

    //--------------------------------------------------------------------------
    // Private
    //--------------------------------------------------------------------------

    /**
     * Check the additional partners (not necessary registered partners), and
     * open a popup form view for the ones who informations is missing.
     *
     * @private
     * @param {Array} checkedSuggestedPartners list of 'recipient' partners to
     *   complete informations or validate
     * @returns {Promise} resolved with the list of checked suggested partners
     *   (real partner)
     **/
    _checkSuggestedPartners: function (checkedSuggestedPartners) {
        var self = this;
        var checkDone = new Promise(function (resolve, reject) {
            var recipients = _.filter(checkedSuggestedPartners, function (recipient) {
                return recipient.checked;
            });
            var recipientsToFind = _.filter(recipients, function (recipient) {
                return (! recipient.partner_id);
            });
            var namesToFind = _.pluck(recipientsToFind, 'full_name');
            var recipientsToCheck = _.filter(recipients, function (recipient) {
                return (recipient.partner_id && ! recipient.email_address);
            });
            var recipientIDs = _.pluck(_.filter(recipients, function (recipient) {
                return recipient.partner_id && recipient.email_address;
            }), 'partner_id');

            var namesToRemove = [];
            var recipientIDsToRemove = [];

            // have unknown names
            //   -> call message_get_partner_info_from_emails to try to find
            //      partner_id
            var def;
            if (namesToFind.length > 0) {
                def = self._rpc({
                        model: self._model,
                        method: 'message_partner_info_from_emails',
                        args: [[self.context.default_res_id], namesToFind],
                    });
            }

            // for unknown names + incomplete partners
            //   -> open popup - cancel = remove from recipients
            Promise.resolve(def).then(function (result) {
                result = result || [];
                var emailDefs = [];
                var recipientPopups = result.concat(recipientsToCheck);

                _.each(recipientPopups, function (partnerInfo) {
                    var prom = new Promise(function(innerResolve, innerReject) {
                        var partnerName = partnerInfo.full_name;
                        var partnerID = partnerInfo.partner_id;
                        var parsedEmail = mailUtils.parseEmail(partnerName);

                        var dialog = new viewDialogs.FormViewDialog(self, {
                            res_model: 'res.partner',
                            res_id: partnerID,
                            context: {
                                active_model: self._model,
                                active_id: self.context.default_res_id,
                                force_email: true,
                                ref: 'compound_context',
                                default_name: parsedEmail[0],
                                default_email: parsedEmail[1],
                            },
                            title: _t("Please complete customer's informations"),
                            disable_multiple_selection: true,
                        }).open();
                        dialog.on('closed', self, function () {
                            innerResolve();
                        });
                        dialog.opened().then(function () {
                            dialog.form_view.on('on_button_cancel', self, function () {
                                namesToRemove.push(partnerName);
                                if (partnerID) {
                                    recipientIDsToRemove.push(partnerID);
                                }
                            });
                        });
                    });

                    emailDefs.push(prom);

                });
                Promise.all(emailDefs).then(function () {
                    var newNamesToFind = _.difference(namesToFind, namesToRemove);
                    var def;
                    if (newNamesToFind.length > 0) {
                        def = self._rpc({
                                model: self._model,
                                method: 'message_partner_info_from_emails',
                                args: [[self.context.default_res_id], newNamesToFind, true],
                            });
                    }
                    Promise.resolve(def).then(function (result) {
                        result = result || [];
                        var recipientPopups = result.concat(recipientsToCheck);
                        _.each(recipientPopups, function (partnerInfo) {
                            if (
                                partnerInfo.partner_id &&
                                _.indexOf(partnerInfo.partner_id, recipientIDsToRemove) === -1
                            ) {
                                recipientIDs.push(partnerInfo.partner_id);
                            }
                        });
                    }).then(function () {
                        resolve(recipientIDs);
                    });
                });
            });
        });

        return checkDone;
    },
    /**
     * Get the list of selected suggested partners
     *
     * @private
     * @returns {Array} list of 'recipient' selected partners (may not be
     *   created in db)
     **/
    _getCheckedSuggestedPartners: function () {
        var self = this;
        var checkedPartners = [];
        this.$('.o_composer_suggested_partners input:checked').each(function () {
            var fullName = $(this).data('fullname');
            checkedPartners = checkedPartners.concat(
                _.filter(self.suggestedPartners, function (item) {
                    return fullName === item.full_name;
                })
            );
        });
        return checkedPartners;
    },
    /**
     * @override
     * @private
     * @returns {Promise}
     */
    _preprocessMessage: function () {
        var self = this;
        return new Promise(function (resolve, reject) {
            self._super().then(function (message) {
                message = _.extend(message, {
                    subtype: 'mail.mt_comment',
                    message_type: 'comment',
                    context: _.defaults({}, self.context, session.user_context),
                });

                // Subtype
                if (self.options.isLog) {
                    message.subtype = 'mail.mt_note';
                }

                // Partner_ids
                if (!self.options.isLog) {
                    var checkedSuggestedPartners = self._getCheckedSuggestedPartners();
                    self._checkSuggestedPartners(checkedSuggestedPartners).then(function (partnerIDs) {
                        message.partner_ids = (message.partner_ids || []).concat(partnerIDs);
                        // update context
                        message.context = _.defaults({}, message.context, {
                            mail_post_autofollow: true,
                        });
                        resolve(message);
                    });
                } else {
                    resolve(message);
                }

            });
        });
    },
    /**
     * @override
     * @private
     */
    _shouldSend: function () {
        return false;
    },

    //--------------------------------------------------------------------------
    // Handlers
    //--------------------------------------------------------------------------

    /**
     * @private
     * @param {MouseEvent} ev
     */
    _onClickPartnerSuggestionsReadMoreLess: function (ev) {
        ev.preventDefault();
        this.$('.o_suggested_toggle').toggleClass('o_hidden');
    },
    /**
     * @private
     */
    _onOpenFullComposer: function () {
        if (!this._doCheckAttachmentUpload()){
            return false;
        }

        var self = this;
        var recipientDoneDef = new Promise(function (resolve, reject) {
            // any operation on the full-composer will reload the record, so
            // warn the user that any unsaved changes on the record will be lost.
            self.trigger_up('discard_record_changes', {
                proceed: function () {
                    if (self.options.isLog) {
                        resolve([]);
                    } else {
                        var checkedSuggestedPartners = self._getCheckedSuggestedPartners();
                        self._checkSuggestedPartners(checkedSuggestedPartners)
                            .then(resolve);
                    }
                },
            });
        });

        recipientDoneDef.then(function (partnerIDs) {
            var context = {
                default_parent_id: self.id,
                default_body: mailUtils.getTextToHTML(self.$input.val()),
                default_attachment_ids: _.pluck(self.get('attachment_ids'), 'id'),
                default_partner_ids: partnerIDs,
                default_is_log: self.options.isLog,
                mail_post_autofollow: true,
            };

            if (self.context.default_model && self.context.default_res_id) {
                context.default_model = self.context.default_model;
                context.default_res_id = self.context.default_res_id;
            }

            var action = {
                type: 'ir.actions.act_window',
                res_model: 'mail.compose.message',
                view_mode: 'form',
                view_type: 'form',
                views: [[false, 'form']],
                target: 'new',
                context: context,
            };
            self.do_action(action, {
                on_close: self.trigger.bind(self, 'need_refresh'),
            }).then(self.trigger.bind(self, 'close_composer'));
        });
    }
});

return ChatterComposer;

});