// Set the auth header if necessary
function authHeaders(xhr) {
    if (window.localStorage.getItem("authtoken") !== null) {
        var authToken = window.localStorage.getItem("authtoken");
        xhr.setRequestHeader("Authorization", "Basic " + authToken);
    }
}

// Redirect if not authorized
function redirectIfNotAuthorized() {
    $.ajax({
        url: jsconfig.baseurl + "/api/version",
        beforeSend: authHeaders,
        statusCode: {
            401: function() {
                window.location.replace(jsconfig.baseurl + "/app/login.html");
            },
            403: function() {
                window.location.replace(jsconfig.baseurl + "/app/login.html");
            }
        }
    });
};

// Call the redirect function
redirectIfNotAuthorized();

// Display version at bottom of page
function renderVersion() {
    $.ajax({
        url: jsconfig.baseurl + "/api/version",
        beforeSend: authHeaders
    }).then(function(data) {
        var versionText = "TempGopher © 2018 Mike Shoup | Version: " + data.version;
        $("#version").text(versionText);
    });
};
$(document).ready(renderVersion);

function displayLogoutButton() {
    if (window.localStorage.getItem("authtoken") !== null) {
        // Display a logout button
        var logoutButton = $("<button>")
            .text('Logout')
            .click(function() {
                window.localStorage.removeItem("authtoken");
                window.location.replace(jsconfig.baseurl + "/app/login.html");
            });
        $("#logoutDiv").append(logoutButton);
    };
}

$(document).ready(displayLogoutButton);

function celsiusToFahrenheit(degree) {
    return degree * 1.8 + 32;
}

function fahrenheitToCelsius(degree) {
    return (degree - 32) * 5 / 9;
};

function appendData(data) {
    // Title of thermostat
    var titleh = $("<h4></h4>").text(data.alias);
    var titlediv = $("<div></div>").addClass("row").append(titleh);

    // Thermostat status
    var rowdiv = $("<div></div>");
    rowdiv.addClass("row");

    // Display temperature
    if (jsconfig.fahrenheit) {
        var temp = celsiusToFahrenheit(parseFloat(data.temp)).toFixed(1) + "°F";
    } else {
        var temp = parseFloat(data.temp).toFixed(1) + "°C";
    }
    var temph = $("<h2></h2>").text(temp);
    var tempdiv = $("<div></div>").addClass("two columns").append(temph);
    rowdiv.append(tempdiv);

    // Display status
    if (data.cooling) {
        var statustext = "Cooling"
    } else if (data.heating) {
        var statustext = "Heating"
    } else {
        var statustext = "Idle"
    }
    var statusp = $("<p></p>").html(statustext);
    var statusdiv = $("<div></div>").addClass("two columns").append(statusp);
    rowdiv.append(statusdiv);

    // Display sensor config
    $.ajax({
        url: jsconfig.baseurl + "/api/config/sensors/" + data.alias,
        beforeSend: authHeaders
    }).then(function(configData){
        if (jsconfig.fahrenheit) {
            var degUnit = "°F";
            var hightemp = celsiusToFahrenheit(parseFloat(configData.hightemp)).toFixed(1);
            var lowtemp = celsiusToFahrenheit(parseFloat(configData.lowtemp)).toFixed(1);
        } else {
            var hightemp = parseFloat(configData.hightemp).toFixed(1);
            var lowtemp = parseFloat(configData.lowtemp).toFixed(1);
        }

        rp = '[0-9]+(\.[0-9]+)?'

        var cmIn = $("<input>").attr("id", "cm" + configData.alias).val(configData.coolminutes).attr("size", "2").attr("pattern", rp).on('input', function(){window.clearInterval(rtHandle)});
        var htIn = $("<input>").attr("id", "ht" + configData.alias).val(hightemp).attr("size", "4").attr("pattern", rp).on('input', function(){window.clearInterval(rtHandle)});
        var hmIn = $("<input>").attr("id", "hm" + configData.alias).val(configData.heatminutes).attr("size", "2").attr("pattern", rp).on('input', function(){window.clearInterval(rtHandle)});
        var ltIn = $("<input>").attr("id", "lt" + configData.alias).val(lowtemp).attr("size", "4").attr("pattern", rp).on('input', function(){window.clearInterval(rtHandle)});

        var configp = $("<p></p>")
        if (!configData.cooldisable) {
            configp.append("Chills for ").append(cmIn).append(" minutes when &gt; ").append(htIn).append(degUnit);
        }

        if (!configData.cooldisable && !configData.heatdisable){
            configp.append($("<br>"));
        }

        if (!configData.heatdisable) {
            configp.append("Heats for ").append(hmIn).append(" minutes when &lt; ").append(ltIn).append(degUnit);
        }

        var configdiv = $("<div></div>").addClass("five columns").append(configp);
        rowdiv.append(configdiv);

        var yesButton = $("<button></button>").addClass("button button-primary").text("✔").css("margin-right", "5px").click(function() {
            if (jsconfig.fahrenheit) {
                var newHT = fahrenheitToCelsius(parseFloat(htIn.val()));
                var newLT = fahrenheitToCelsius(parseFloat(ltIn.val()));
            } else {
                var newHT = parseFloat(htIn.val());
                var newLT = parseFloat(ltIn.val());
            }
            $.ajax({
                type: "POST",
                url: jsconfig.baseurl + "/api/config/sensors",
                beforeSend: authHeaders,
                data: JSON.stringify([{
                    "id": configData.id,
                    "alias": configData.alias,
                    "hightemp": newHT,
                    "lowtemp": newLT,
                    "heatgpio": configData.heatgpio,
                    "heatinvert": configData.heatInvert,
                    "heatminutes": parseFloat(hmIn.val()),
                    "coolgpio": configData.coolgpio,
                    "coolinvert": configData.coolinvert,
                    "coolminutes": parseFloat(cmIn.val()),
                    "verbose": configData.verbose
                }])
            })
            window.setInterval(renderThermostats, 60000);
            renderThermostats();
        });

        var noButton = $("<button></button>").addClass("button").text("✘").click(function() {
            window.setInterval(renderThermostats, 60000);
            renderThermostats();
        });

        if (!configData.heatdisable || !configData.cooldisable) {
            var buttonDiv = $("<div></div>").addClass("three columns").append(yesButton).append(noButton);
            rowdiv.append(buttonDiv);
        }

        // Add things back to the thermostat list
        $("#thermostats").append(titlediv);
        $("#thermostats").append(rowdiv);
    });
}

function renderThermostats() {
    $.ajax({
        url: jsconfig.baseurl + "/api/status/",
        beforeSend: authHeaders
    }).then(function(data) {
        $("#thermostats").empty();
        for (var key in data) {
            appendData(data[key])
        };
    });
};

$(document).ready(renderThermostats);
var rtHandle = window.setInterval(renderThermostats, 60000);