// ==UserScript==
// @name         Revert StackExchange Formatting
// @namespace    https://github.com/Prid13/Revert-StackExchange-Formatting
// @version      1.0
// @description  Brings back the old line-height, colors, padding, borders, etc. of StackExchange websites like StackOverflow, SuperUser, ServerFault, etc.
// @author       Prid
// @include      /^https://(?:[^/]+\.)?(?:(?:stackoverflow|serverfault|superuser|stackexchange|askubuntu|stackapps)\.com|mathoverflow\.net)//
// @run-at       document-start
// @grant        none
// @downloadURL none
// ==/UserScript==

(function() {
    'use strict';

    var style = "";

    var values = {
        line_height: 1.3,

        code_block_bgcol: "#eff0f1",
        code_block_padding: "12px 8px",
        code_block_radius: "3px",

        inline_code_bgcol: "#e4e6e8",
        inline_code_padding: "1px 5px",
        inline_code_radius: "0px",

        comment_code_bgcol: "#eff0f1",
        comment_code_padding: "1px 5px",
    };

    buildCSS();
    injectCSS();

    function buildCSS(){
        var line_height = values.line_height;

        // paragraphs (revert line-height)
        style += ".s-prose { line-height: " + line_height + "!important; }";

        // ADDITIONAL REVERSIONS
            // code blocks
            style += ".s-prose pre:not(.s-code-block) { ";
            style += 	"background-color: " 	+ values.code_block_bgcol + "!important;";
            style += 	"padding: " 			+ values.code_block_padding + "!important;";
            style += 	"border-radius: " 		+ values.code_block_radius + "!important;";
            style += "}";

            // transparent bg on code lines within code blocks
            style += ".s-prose pre:not(.s-code-block) code { background-color: transparent!important; }";

            // inline code
            style += ".s-prose code:not(.s-code-block) {";
            style += 	"background-color: " 	+ values.inline_code_bgcol + "!important;";
            style += 	"padding: " 			+ values.inline_code_padding + "!important;";
            style += 	"border-radius: " 		+ values.inline_code_radius + "!important;";
            style += "}";

            // comment inline code
            style += ".comment-text code {";
            style += 	"background-color: " 	+ values.comment_code_bgcol + "!important;";
            style += 	"padding: " 			+ values.comment_code_padding + "!important;"; // padding is same
            style += "}";

    }

    function injectCSS(){
        // credit: https://stackoverflow.com/a/13436780/3705191
        var cssStyle = document.createElement('style');
        cssStyle.type = 'text/css';
        var rules = document.createTextNode(style);
        cssStyle.appendChild(rules);
        document.getElementsByTagName("head")[0].appendChild(cssStyle);
    }
})();