controllers = angular.module("controllers", []);

controllers.controller("main", function($scope, $location) {
    $scope.currentTab = "colors";

    $scope.changeView = function(view) {
        $location.path(view);
        $scope.currentTab = view;
    }

})

controllers.controller("colorsController", function($scope, $http) {
    $scope.changeSelectedColorScheme= function(newScheme) {
        $scope.selectedColorScheme = newScheme;
        if ($scope.selectedColorScheme.preferred_background) {
            $scope.terminalBackgroundColor = $scope.selectedColorScheme.preferred_background;
        }
        $scope.selectedColorSetting = 'command';
        $scope.colorArraysArray = $scope.getColorArraysArray();
        //TODO: Save button should be shown only when colors are changed
        $scope.showSaveButton = true;
    }

    $scope.changeTerminalBackgroundColor = function(color) {
        $scope.terminalBackgroundColor = color;
    }

    $scope.getColorArraysArray = function() {
        var result = null;
        if ($scope.selectedColorScheme.colors.length > 0)
            result = get_colors_as_nested_array($scope.selectedColorScheme.colors, 32);
        else
            result =  get_colors_as_nested_array(term_256_colors, 32);
        return result;
    }

    $scope.selectColorSetting = function(name) {
        $scope.selectedColorSetting = name;
    }

    $scope.changeSelectedTextColor = function(color) {
        $scope.selectedColorScheme[$scope.selectedColorSetting] = color;
    }

    $scope.sampleTerminalBackgroundColors = ['white', '#' + solarized.base3, '#300', '#003', '#' + solarized.base03, '#232323', 'black'];

    /* Array of FishColorSchemes */
    $scope.colorSchemes = [color_scheme_fish_default, color_scheme_solarized_light, color_scheme_solarized_dark, color_scheme_tomorrow, color_scheme_tomorrow_night, color_scheme_tomorrow_night_bright];
    for (var i=0; i < additional_color_schemes.length; i++)
        $scope.colorSchemes.push(additional_color_schemes[i])

    $scope.changeSelectedColorScheme($scope.colorSchemes[0]);

    $scope.setTheme = function() {
        var settingNames = ["autosuggestion", "command", "param", "redirection", "comment", "error", "quote", "end"];
        for (name in settingNames) {
            var postData = "what=" + settingNames[name] + "&color=" + $scope.selectedColorScheme[settingNames[name]] + "&background_color=&bold=&underline=";
            $http.post("/set_color/", postData, { headers: {'Content-Type': 'application/x-www-form-urlencoded'} }).success(function(data, status, headers, config) {
                console.log(data);
            })
        }
    };
});

controllers.controller("promptController", function($scope, $http) {
    $scope.selectedPrompt = null;

    $scope.fetchCurrentPrompt = function(currenttPrompt) {
        $http.get("/current_prompt/").success(function(data, status, headers, config) {
        currenttPrompt.function = data.function;
    })};

    $scope.fetchSamplePrompts= function() {
        $http.get("/sample_prompts/").success(function(data, status, headers, config) {
            $scope.samplePrompts = data;
            if ($scope.selectedPrompt == null) {
                $scope.selectPrompt($scope.samplePrompts[0]);
            }
        })};

    $scope.fetchSamplePrompt = function(selectedPrompt) {
        console.log("Fetcing sample prompt");
         $http.post("/get_sample_prompt/","what=" + encodeURIComponent(selectedPrompt.function), { headers: {'Content-Type': 'application/x-www-form-urlencoded'} }).success(function(data, status, headers, config)   {
            console.log("Data is " + JSON.stringify(data[0]));
            $scope.demoText= data[0].demo;
            $scope.demoTextFontSize = data[0].font_size;
            console.log("Demo text is " + $scope.demoText);
        })};

    $scope.selectPrompt = function(promptt) {
        $scope.selectedPrompt= promptt;
        if ($scope.selectedPrompt.name == "Current") {
            $scope.fetchCurrentPrompt($scope.selectedPrompt);
        }
        $scope.fetchSamplePrompt($scope.selectedPrompt);
    }

    $scope.setNewPrompt = function(selectedPrompt) {
        console.log("Set new prompt" + selectedPrompt);
        $http.post("/set_prompt/","what=" + encodeURIComponent(selectedPrompt.function), { headers: {'Content-Type': 'application/x-www-form-urlencoded'} }).success(function(data, status, headers, config){
            console.log("Data is " + JSON.stringify(data));
        })};

    $scope.fetchSamplePrompts();
});

controllers.controller("functionsController", function($scope, $http) {
    $scope.selectedFunction = null;
    $scope.functionDefinition = ""; 

    $scope.selectFunction = function(fun) {
        $scope.selectedFunction = fun;
        $scope.fetchFunctionDefinition($scope.selectedFunction);
    }

    $scope.fetchFunctions= function() {
        $http.get("/functions/").success(function(data, status, headers, config) {
            $scope.functions = data;
            $scope.selectFunction($scope.functions[0]);
    })};

    $scope.cleanupFishFunction = function (contents) {
        /* Replace leading tabs and groups of four spaces at the beginning of a line with two spaces. */
        lines = contents.split('\n')
        rx = /^[\t ]+/
        for (var i=0; i < lines.length; i++) {
            line = lines[i]
            /* Get leading tabs and spaces */
            whitespace_arr = rx.exec(line)
            if (whitespace_arr) {
                /* Replace four spaces with two spaces, and tabs with two spaces */
                var whitespace = whitespace_arr[0]
                new_whitespace = whitespace.replace(/(    )|(\t)/g, '  ')
                lines[i] = new_whitespace + line.slice(whitespace.length)
            }
        }
        return lines.join('\n')
    }

    $scope.fetchFunctionDefinition = function(name) {
         $http.post("/get_function/","what=" + name, { headers: {'Content-Type': 'application/x-www-form-urlencoded'} }).success(function(data, status, headers, config) {
            $scope.functionDefinition = $scope.cleanupFishFunction(data[0]);
    })};

    $scope.fetchFunctions();
});

controllers.controller("variablesController", function($scope, $http) {
    $scope.query = null;

    $scope.fetchVariables= function() {
        $http.get("/variables/").success(function(data, status, headers, config) {
        $scope.variables = data;
    })};

    $scope.fetchVariables();
});

controllers.controller("historyController", function($scope, $http, $timeout) {
    $scope.historyItems = [];
    $scope.historySize = 0;
    // Stores items which are yet to be added in history items
    $scope.remainingItems = [];

    // Populate history items in parts
    $scope.loadHistory = function() {
        if ($scope.remainingItems.length <= 0) {
            $scope.loadingText = "";
            return;
        }

        var to_load = $scope.remainingItems.splice(0, 100);
        for (i in to_load) {
            $scope.historyItems.push(to_load[i]);
        }

        $scope.loadingText = "Loading " + $scope.historyItems.length + "/" + $scope.historySize;
        $timeout($scope.loadHistory, 100);
    }

    // Get history from server
    $scope.fetchHistory = function() {
        $http.get("/history/").success(function(data, status, headers, config) {
        $scope.historySize = data.length;
        $scope.remainingItems = data;

        /* Call this function 10 times/second */
        $timeout($scope.loadHistory, 100);
    })};

    $scope.deleteHistoryItem = function(item) {
        index = $scope.historyItems.indexOf(item);
        $http.post("/delete_history_item/","what=" + encodeURIComponent(item), { headers: {'Content-Type': 'application/x-www-form-urlencoded'} }).success(function(data, status, headers, config) {
        $scope.historyItems.splice(index, 1);
    })};

    $scope.fetchHistory();
});

controllers.controller("bindingsController", function($scope, $http) {
    $scope.bindings = [];
    $scope.fetchBindings = function() {
        $http.get("/bindings/").success(function(data, status, headers, config) {
            $scope.bindings = data;
    })};

    $scope.fetchBindings();
});