/* Copyright 2016 Jairo Llopis <jairo.llopis@tecnativa.com>
 * License LGPL-3.0 or later (http://www.gnu.org/licenses/lgpl). */

/* This JS module replaces core AJAX submission because it is impossible
 * to extend it as it is currently designed. It is almost a copy+paste from
 * upstream, to allow easier version/patch updates, so linter is disabled. */
/* eslint-disable */
odoo.define("mass_mailing_custom_unsubscribe.unsubscribe", function(require) {
    "use strict";

    var ajax = require("web.ajax");
    var core = require("web.core");
    require("web.dom_ready");

    var _t = core._t;

    if (!$(".o_unsubscribe_form").length) {
        return $.Deferred().reject("DOM doesn't contain '.o_unsubscribe_form'");
    }

    var email = $("input[name='email']").val();
    var mailing_id = parseInt($("input[name='mailing_id']").val(), 10);
    var res_id = parseInt($("input[name='res_id']").val(), 10);
    var token = (location.search.split("token" + "=")[1] || "").split("&")[0];
    var $mailing_lists = $("input[name='contact_ids']");
    var $reasons = $("#custom_div_feedback");
    var $details = $("textarea[name='details']");
    var $radio = $(":radio");
    var $info_state = $("#info_state, #custom_div_feedback");

    $radio.on("change click", function(e) {
        $details.prop(
            "required",
            $(e.target).is("[data-details-required]") && $(e.target).is(":visible")
        );
    });

    // Display reasons form only if there are unsubscriptions
    var toggle_reasons = function() {
        // Find contacts that were checked and now are unchecked
        var $disabled = $mailing_lists.filter(function() {
            var $this = $(this);
            return !$this.prop("checked") && $this.attr("checked");
        });
        // Hide reasons form if you are only subscribing
        $reasons.toggleClass("d-none", !$disabled.length);
        var $radios = $reasons.find(":radio");
        if ($reasons.is(":hidden")) {
            // Uncheck chosen reason
            $radios
                .prop("checked", false)
                // Unrequire specifying a reason
                .prop("required", false)
                // Remove possible constraints for details
                .trigger("change");
            // Clear textarea
            $details.val("");
        } else {
            // Require specifying a reason
            $radios.prop("required", true);
        }
    };

    $mailing_lists.change(function(e) {
        toggle_reasons();
        $("#info_state").addClass("invisible");
    });

    if (email != "" && email != undefined) {
        ajax.jsonRpc("/mailing/blacklist/check", "call", {
            email: email,
            mailing_id: mailing_id,
            res_id: res_id,
            token: token,
        })
            .then(function(result) {
                if (result == "unauthorized") {
                    $("#button_add_blacklist").hide();
                    $("#button_remove_blacklist").hide();
                } else if (result == true) {
                    $("#button_remove_blacklist").show();
                    toggle_opt_out_section(false);
                } else if (result == false) {
                    $("#button_add_blacklist").show();
                    toggle_opt_out_section(true);
                } else {
                    $("#subscription_info").html(
                        _t("An error occured. Please try again later or contact us.")
                    );
                    $info_state
                        .removeClass("alert-success")
                        .removeClass("alert-info")
                        .removeClass("alert-warning")
                        .addClass("alert-error");
                }
            })
            .guardedCatch(function() {
                $("#subscription_info").html(
                    _t("An error occured. Please try again later or contact us.")
                );
                $info_state
                    .removeClass("alert-success")
                    .removeClass("alert-info")
                    .removeClass("alert-warning")
                    .addClass("alert-error");
            });
    } else {
        $("#div_blacklist").hide();
    }

    var unsubscribed_list = $("input[name='unsubscribed_list']").val();
    if (unsubscribed_list) {
        $("#subscription_info").html(
            _.str.sprintf(
                _t("You have been <strong>successfully unsubscribed from %s</strong>."),
                unsubscribed_list
            )
        );
    } else {
        $("#subscription_info").html(
            _t("You have been <strong>successfully unsubscribed</strong>.")
        );
    }

    $("#unsubscribe_form").on("submit", function(e) {
        e.preventDefault();

        var checked_ids = [];
        $("input[type='checkbox']:checked").each(function(i) {
            checked_ids[i] = parseInt($(this).val(), 10);
        });

        var unchecked_ids = [];
        $("input[type='checkbox']:not(:checked)").each(function(i) {
            unchecked_ids[i] = parseInt($(this).val(), 10);
        });

        var values = {
            opt_in_ids: checked_ids,
            opt_out_ids: unchecked_ids,
            email: email,
            mailing_id: mailing_id,
            res_id: res_id,
            token: token,
        };
        // Only send reason and details if an unsubscription was found
        if ($reasons.is(":visible")) {
            values.reason_id = parseInt(
                $reasons.find("[name='reason_id']:checked").val(),
                10
            );
            values.details = $details.val();
        }

        ajax.jsonRpc("/mail/mailing/unsubscribe", "call", values)
            .then(function(result) {
                if (result == "unauthorized") {
                    $("#info_state").removeClass("invisible");
                    $("#subscription_info").html(
                        _t("You are not authorized to do this!")
                    );
                    $info_state
                        .removeClass("alert-success")
                        .removeClass("alert-info")
                        .removeClass("alert-error")
                        .addClass("alert-warning");
                } else if (result == true) {
                    $("#info_state").removeClass("invisible");
                    $("#subscription_info").html(_t("Your changes have been saved."));
                    $info_state.removeClass("alert-info").addClass("alert-success");
                    // Store checked status, to enable further changes
                    $mailing_lists.each(function() {
                        var $this = $(this);
                        $this.attr("checked", $this.prop("checked"));
                    });
                    toggle_reasons();
                } else {
                    $("#info_state").removeClass("invisible");
                    $("#subscription_info").html(
                        _t(
                            "An error occurred. Your changes have not been saved, try again later."
                        )
                    );
                    $info_state.removeClass("alert-info").addClass("alert-warning");
                }
            })
            .guardedCatch(function() {
                $("#info_state").removeClass("invisible");
                $("#subscription_info").html(
                    _t(
                        "An error occurred. Your changes have not been saved, try again later."
                    )
                );
                $info_state.removeClass("alert-info").addClass("alert-warning");
            });
    });

    //  ==================
    //      Blacklist
    //  ==================
    $("#button_add_blacklist").click(function(e) {
        e.preventDefault();

        if ($reasons.is(":hidden")) {
            $reasons.toggleClass("d-none", false);
            $reasons.find(":radio").prop("required", true);
        }
        if (!$("#unsubscribe_form")[0].reportValidity()) {
            return;
        }

        ajax.jsonRpc("/mailing/blacklist/add", "call", {
            email: email,
            mailing_id: mailing_id,
            res_id: res_id,
            token: token,
            reason_id: parseInt($reasons.find("[name='reason_id']:checked").val(), 10),
            details: $details.val(),
        })
            .then(function(result) {
                if (result == "unauthorized") {
                    $("#info_state").removeClass("invisible");
                    $("#subscription_info").html(
                        _t("You are not authorized to do this!")
                    );
                    $info_state
                        .removeClass("alert-success")
                        .removeClass("alert-info")
                        .removeClass("alert-error")
                        .addClass("alert-warning");
                } else {
                    if (result) {
                        $("#info_state").removeClass("invisible");
                        $("#subscription_info").html(
                            _t(
                                "You have been successfully <strong>added to our blacklist</strong>. " +
                                    "You will not be contacted anymore by our services."
                            )
                        );
                        $info_state
                            .removeClass("alert-warning")
                            .removeClass("alert-info")
                            .removeClass("alert-error")
                            .addClass("alert-success");
                        toggle_opt_out_section(false);
                        // set mailing lists checkboxes to previous state
                        $mailing_lists.each(function() {
                            var $this = $(this);
                            $this.prop("checked", $(this)[0].hasAttribute("checked"));
                        });
                        // Hide reasons and reset reason fields
                        $reasons
                            .toggleClass("d-none", true)
                            .find(":radio")
                            .prop("checked", false);
                        $details.val("").prop("required", false);
                    } else {
                        $("#info_state").removeClass("invisible");
                        $("#subscription_info").html(
                            _t(
                                "An error occured. Please try again later or contact us."
                            )
                        );
                        $info_state
                            .removeClass("alert-success")
                            .removeClass("alert-info")
                            .removeClass("alert-warning")
                            .addClass("alert-error");
                    }
                    $("#button_add_blacklist").hide();
                    $("#button_remove_blacklist").show();
                    $("#unsubscribed_info").hide();
                }
            })
            .guardedCatch(function() {
                $("#subscription_info").html(
                    _t("An error occured. Please try again later or contact us.")
                );
                $info_state
                    .removeClass("alert-success")
                    .removeClass("alert-info")
                    .removeClass("alert-warning")
                    .addClass("alert-error");
            });
    });

    $("#button_remove_blacklist").click(function(e) {
        e.preventDefault();

        ajax.jsonRpc("/mailing/blacklist/remove", "call", {
            email: email,
            mailing_id: mailing_id,
            res_id: res_id,
            token: token,
        })
            .then(function(result) {
                if (result == "unauthorized") {
                    $("#info_state").removeClass("invisible");
                    $("#subscription_info").html(
                        _t("You are not authorized to do this!")
                    );
                    $info_state
                        .removeClass("alert-success")
                        .removeClass("alert-info")
                        .removeClass("alert-error")
                        .addClass("alert-warning");
                } else {
                    if (result) {
                        $("#info_state").removeClass("invisible");
                        $("#subscription_info").html(
                            _t(
                                "You have been successfully <strong>removed from our blacklist</strong>. " +
                                    "You are now able to be contacted by our services."
                            )
                        );
                        $info_state
                            .removeClass("alert-warning")
                            .removeClass("alert-info")
                            .removeClass("alert-error")
                            .addClass("alert-success");
                        toggle_opt_out_section(true);
                    } else {
                        $("#info_state").removeClass("invisible");
                        $("#subscription_info").html(
                            _t(
                                "An error occured. Please try again later or contact us."
                            )
                        );
                        $info_state
                            .removeClass("alert-success")
                            .removeClass("alert-info")
                            .removeClass("alert-warning")
                            .addClass("alert-error");
                    }
                    $("#button_add_blacklist").show();
                    $("#button_remove_blacklist").hide();
                    $("#unsubscribed_info").hide();
                }
            })
            .guardedCatch(function() {
                $("#info_state").removeClass("invisible");
                $("#subscription_info").html(
                    _t("An error occured. Please try again later or contact us.")
                );
                $info_state
                    .removeClass("alert-success")
                    .removeClass("alert-info")
                    .removeClass("alert-warning")
                    .addClass("alert-error");
            });
    });
});

function toggle_opt_out_section(value) {
    var result = !value;
    $("#div_opt_out")
        .find("*")
        .attr("disabled", result);
    $("#button_add_blacklist").attr("disabled", false);
    $("#button_remove_blacklist").attr("disabled", false);
    $("#custom_div_feedback")
        .find("*")
        .attr("disabled", false);
    if (value) {
        $('[name="button_subscription"]').addClass("clickable");
    } else {
        $('[name="button_subscription"]').removeClass("clickable");
    }
}