/*jslint browser: true, undef: true, eqeqeq: true, nomen: true, white: true */
/*global HN: false, hn: false, $: false, Y: false, X: false, localStorage: false, escape: false, unescape: false, window: false, jscolor: false */
/**
 * @namespace HN.Callbacks
 * Defines the callbacks for server events such as changing values
 * styles etc.
 */
HN.Callbacks = {};

HN.Callbacks.saveMap = function (name, map) {
    var args = {"admin" : {"save_map" : {"name" : name, "map" : map}}};
    HN.Util.postPath("/_admin/", args, null);
};

HN.Callbacks.loadTemplate = function (path, name) {
    var args = {"load_template" : {"name": name}};
    HN.Util.postPath(path, args, null);
};

HN.Callbacks.saveAsTemplate = function (path, name) {
    var args = {"admin" : {"save_template" : {"path": path, "name": name}}};
    HN.Util.postPath("/_admin/", args, null);
};

HN.Callbacks.set_input = function (path, range, value) {
    HN.Util.postRange(path, range, {"set": {"input": value}});
};

HN.Callbacks.inline_input = function (path, cell, value) {

    hn.data.getPageData(path).pokeCellValue(cell, value);
    
    if (value === "") {
        HN.Util.postCell(path, cell, {"postinline" : {"clear": "contents"}});
    } else {
        HN.Util.postCell(path, cell, {"postinline": {"formula": value}});
    }
};

/**
 * Set the value of a cell, clears if the value is empty
 */
HN.Callbacks.set_cell = function (path, cell, value) {

    hn.data.getPageData(path).pokeCellValue(cell, value);
    
    if (value === "") {
        HN.Util.postCell(path, cell, {"clear": "contents"});
    } else {
        HN.Util.postCell(path, cell, {"set": {"formula": value}});
    }
};

/**
 * Clear a range of contents or format (or both)
 */
HN.Callbacks.clear = function (path, range, clear) {
    HN.Util.postRange(path, range, {clear: clear});
};

/**
 * Set the style on a range
 */
HN.Callbacks.style = function (path, range, style, val) {
    var x = {};
    x[style] = val;
    HN.Util.postRange(path, range, {set: x});
};

HN.Callbacks.colours = function (path, range, color, backgroundcolor) {
    var args = [];
    args[0] = {"color": color};
    args[1] = {"background-color": backgroundcolor};
    HN.Util.postRange(path, range, {set: args});
};


/**
 * Set the format on a range
 */
HN.Callbacks.format = function (path, range, val) {
    HN.Util.postRange(path, range, {"set": {"format": val}});
};

/**
 * Set the width of a column
 */
HN.Callbacks.setWidth = function (path, column1, column2, width) {
    HN.Util.postColumn(path, column1, column2, {set: {width: width}});
};

HN.Callbacks.setHeight = function (path, row1, row2, height) {
    for (var i = row1; i < row2 + 1; i++) {
        hn.data.getPageData(path).pokeRowHeight(i, height);
    };
    HN.Util.postRow(path, row1, row2, {"set": {"height": height}});
};

HN.Callbacks.drag = function (path, selected, dragged) {
    var msg = {"drag": {"range": HN.Util.range_to_str(dragged)}};
    HN.Util.postCell(path, {"x": selected.x1, "y": selected.y1}, msg);
};

HN.Callbacks.pasteValues = function (path, range, values) {
    HN.Util.postRange(path, range, {"set": {"formula": values}});
};

HN.Callbacks.pasteRange = function (path, range, srcurl, srcrange) {
    var src = srcurl + HN.Util.range_to_str(srcrange);
    HN.Util.postRange(path, range, {"copy": {"src": src}});
};

HN.Callbacks.deleteRowCol = function (path, range, axis) {
    if (axis === Y) {
        HN.Util.postRow(path, range.y1, range.y2, {"delete": "all"});
    } else {
        HN.Util.postColumn(path, range.x1, range.x2, {"delete": "all"});
    }
};

HN.Callbacks.deleteRange = function (path, range, displacement) {
    HN.Util.postRange(path, range, {"delete": displacement});
};        

HN.Callbacks.insertRange = function (path, range, displacement) {
    HN.Util.postRange(path, range, {"insert": displacement});
};        

HN.Callbacks.setLanguage = function (language) {
    var cb = function () {
        window.location.reload(true);
    };
    HN.Util.postPath("/_user/", {"set": {"language": language}}, cb);
};

HN.Callbacks.setMark = function (mark) {
    HN.Util.postPath("?mark", {"set": {"mark": mark}}, null);
};

HN.Callbacks.setBorders = function (path, range, where, border,
                                   border_style, border_color) {
    var json = {"borders": {
        "where": where,
        "border": border,
        "border_style": border_style,
        "border_color": border_color
    }};
    HN.Util.postRange(path, range, json);
};

HN.Callbacks.deletePage = function (path, language) {
    var cb = function () {
        window.location.reload(true);
    };
    HN.Util.postPath(hn.currentPath(), {"delete": "all"}, cb);
};

HN.Callbacks.insertRowCol = function (path, range, axis, type) {
    if (axis === Y) {
        HN.Util.postRow(path, range.y1, range.y2, {"insert": type});
    } else {
        HN.Util.postColumn(path, range.x1, range.x2, {"insert": type});
    }
};

HN.Callbacks.mergeCells = function (path, range) {    
    var cell = {"x": range.x1, "y": range.y1},
        right    = range.x2 - range.x1,
        down     = range.y2 - range.y1,
        post     = {
            "set": { 
                "merge": { 
                    "right" : right, 
                    "down"  : down
                } 
            } 
        };

    if (right === 0 && down === 0) {
        HN.Util.postCell(path, cell, {"clear": "merge"});
    } else {
        HN.Util.postCell(path, cell, post);
    }
};

HN.Callbacks.setPassword = function (password, cb) {
    var data = {"admin": {"set_password": {"password": password}}};
    HN.Util.postPath("/_admin/", data, cb);
};

HN.Callbacks.setChampion = function (path, view, cb) {
    HN.Util.postPath("/_admin/", 
                     {"admin": {"set_champion": {"path": path, "view": view}}}, 
                     cb);
};

HN.Callbacks.createGroups = function (path, views, name) {
    var args = {add_groups: {
        "path"   : path,
        "views"  : views,
        "name"   : name
    }};
    HN.Util.postPath("/_admin/", {"admin": args}, null);
};

HN.Callbacks.createUser = function (path, email, groups, msg) {
    var args = {add_user: {
        "path"   : path,
        "email"  : email,
        "groups" : groups,
        "msg"    : msg
    }};
    HN.Util.postPath("/_admin/", {"admin": args}, null);
};

HN.Callbacks.inviteUser = function (path, email, groups, view, msg) {
    var args = {"invite_user": {
        "path"   : path,
        "email"  : email,
        "groups" : groups,
        "view"   : view,
        "msg"    : msg
    }};
    HN.Util.postPath("/_admin/", {"admin": args}, null);
};

HN.Callbacks.setView = function (path, view, everyone, groups, cb) {
    var args = {"set_view": {
        "path"     : path, 
        "view"     : view, 
        "everyone" : everyone,
        "groups"   : groups
    }};
    HN.Util.postPath("/_admin/", {"admin": args}, cb);
};

HN.Callbacks.pasteStyle = function (path, range, srcurl, srcrange) {
    var json = {"copystyle": {
        "src": srcurl + HN.Util.range_to_str(srcrange)
    }};
    HN.Util.postRange(path, range, json);
};

HN.Callbacks.pasteValue = function (path, range, srcurl, srcrange) {
    var json = {"copyvalue": {
        "src": srcurl + HN.Util.range_to_str(srcrange)
    }};
    HN.Util.postRange(path, range, json);
};