define([], function() {
    "use strict";

    function getTextStyles(settings, isCue) {
        var list = [];
        if (isCue) switch (settings.textSize || "") {
            case "smaller":
                list.push({
                    name: "font-size",
                    value: ".5em"
                });
                break;
            case "small":
                list.push({
                    name: "font-size",
                    value: ".7em"
                });
                break;
            case "large":
                list.push({
                    name: "font-size",
                    value: "1.3em"
                });
                break;
            case "larger":
                list.push({
                    name: "font-size",
                    value: "1.72em"
                });
                break;
            case "extralarge":
                list.push({
                    name: "font-size",
                    value: "2em"
                });
                break;
            default:
            case "medium":
        } else switch (settings.textSize || "") {
            case "smaller":
                list.push({
                    name: "font-size",
                    value: ".8em"
                });
                break;
            case "small":
                list.push({
                    name: "font-size",
                    value: "inherit"
                });
                break;
            case "larger":
                list.push({
                    name: "font-size",
                    value: "2em"
                });
                break;
            case "extralarge":
                list.push({
                    name: "font-size",
                    value: "2.2em"
                });
                break;
            case "large":
                list.push({
                    name: "font-size",
                    value: "1.72em"
                });
                break;
            default:
            case "medium":
                list.push({
                    name: "font-size",
                    value: "1.36em"
                })
        }
        switch (settings.dropShadow || "") {
            case "raised":
                list.push({
                    name: "text-shadow",
                    value: "-1px -1px white, 0px -1px white, -1px 0px white, 1px 1px black, 0px 1px black, 1px 0px black"
                });
                break;
            case "depressed":
                list.push({
                    name: "text-shadow",
                    value: "1px 1px white, 0px 1px white, 1px 0px white, -1px -1px black, 0px -1px black, -1px 0px black"
                });
                break;
            case "uniform":
                list.push({
                    name: "text-shadow",
                    value: "-1px 0px #000000, 0px 1px #000000, 1px 0px #000000, 0px -1px #000000"
                });
                break;
            case "none":
                list.push({
                    name: "text-shadow",
                    value: "none"
                });
                break;
            default:
            case "dropshadow":
                list.push({
                    name: "text-shadow",
                    value: "#000000 0px 0px 7px"
                })
        }
        var background = settings.textBackground || "transparent";
        background && list.push({
            name: "background-color",
            value: background
        });
        var textColor = settings.textColor || "#ffffff";
        switch (textColor && list.push({
            name: "color",
            value: textColor
        }), settings.font || "") {
            case "typewriter":
                list.push({
                    name: "font-family",
                    value: '"Courier New",monospace'
                }), list.push({
                    name: "font-variant",
                    value: "none"
                });
                break;
            case "print":
                list.push({
                    name: "font-family",
                    value: "Georgia,Times New Roman,Arial,Helvetica,serif"
                }), list.push({
                    name: "font-variant",
                    value: "none"
                });
                break;
            case "console":
                list.push({
                    name: "font-family",
                    value: "Consolas,Lucida Console,Menlo,Monaco,monospace"
                }), list.push({
                    name: "font-variant",
                    value: "none"
                });
                break;
            case "cursive":
                list.push({
                    name: "font-family",
                    value: "Lucida Handwriting,Brush Script MT,Segoe Script,cursive,Quintessential,system-ui,-apple-system,BlinkMacSystemFont,sans-serif"
                }), list.push({
                    name: "font-variant",
                    value: "none"
                });
                break;
            case "casual":
                list.push({
                    name: "font-family",
                    value: "Gabriola,Segoe Print,Comic Sans MS,Chalkboard,Short Stack,system-ui,-apple-system,BlinkMacSystemFont,sans-serif"
                }), list.push({
                    name: "font-variant",
                    value: "none"
                });
                break;
            case "smallcaps":
                list.push({
                    name: "font-family",
                    value: "Copperplate Gothic,Copperplate Gothic Bold,Copperplate,system-ui,-apple-system,BlinkMacSystemFont,sans-serif"
                }), list.push({
                    name: "font-variant",
                    value: "small-caps"
                });
                break;
            default:
                list.push({
                    name: "font-family",
                    value: "inherit"
                }), list.push({
                    name: "font-variant",
                    value: "none"
                })
        }
        return list
    }

    function getWindowStyles(settings) {
        return []
    }

    function getStyles(settings, isCue) {
        return {
            text: getTextStyles(settings, isCue),
            window: getWindowStyles(settings)
        }
    }

    function applyStyleList(styles, elem) {
        for (var i = 0, length = styles.length; i < length; i++) {
            var style = styles[i];
            elem.style[style.name] = style.value
        }
    }

    function applyStyles(elements, appearanceSettings) {
        var styles = getStyles(appearanceSettings);
        elements.text && applyStyleList(styles.text, elements.text), elements.window && applyStyleList(styles.window, elements.window)
    }
    return {
        getStyles: getStyles,
        applyStyles: applyStyles
    }
});