// ==UserScript==
// @name         Minecraft Helper
// @namespace    http://tampermonkey.net/
// @version      0.5.0
// @description  为 Minecraft 玩家定制的实用脚本
// @author       PRO
// @license      gpl-3.0
// @match        https://www.minecraft.net/*
// @match        https://www.curseforge.com/*
// @match        https://modrinth.com/*
// @icon         https://www.minecraft.net/etc.clientlibs/minecraft/clientlibs/main/resources/img/minecraft-creeper-face.jpg
// @grant        unsafeWindow
// @grant        GM_setValue
// @grant        GM_getValue
// @grant        GM_registerMenuCommand
// @grant        GM_unregisterMenuCommand
// @require      https://greasyfork.org/scripts/470224-tampermonkey-config/code/Tampermonkey%20Config.js?version=1216049
// @downloadURL none
// ==/UserScript==

(function () {
    'use strict';
    let name = 'Minecraft Helper';
    let log = (s, error=false) => {
        if (error) {
            console.error(`[${name}] ${s}`);
        } else {
            console.log(`[${name}] ${s}`);
        }
    };
    function processor_string_list(s) {
        return s.split(",").map((s) => s.trim());
    }
    let config_descs = {
        general: {
            "general/timeout": {
                name: "通用等待时间",
                value: 500,
                processor: GM_config_builtin_processors.integer(1, undefined)
            }
        },
        minecraft: {
            "minecraft/auto-stay": {
                name: "自动留下",
                value: true,
                processor: GM_config_builtin_processors.boolean
            }
        },
        curseforge: {
            "curseforge/auto-mod": {
                name: "自动跳转到 MC Mods",
                value: true,
                processor: GM_config_builtin_processors.boolean
            },
            "curseforge/highlight-files": {
                name: "高亮文件下载",
                value: true,
                processor: GM_config_builtin_processors.boolean
            },
            "curseforge/highlight-border": {
                name: "高亮边框样式",
                value: "rgb(241, 100, 54) 0.2em solid",
                processor: undefined
            },
            "curseforge/default-download": {
                name: "使用默认下载",
                value: true,
                processor: GM_config_builtin_processors.boolean
            },
            "curseforge/shortcut": {
                name: "快捷键",
                value: true,
                processor: GM_config_builtin_processors.boolean
            }
        },
        modrinth: {
            "modrinth/auto-mod": {
                name: "自动跳转到 MC Mods",
                value: true,
                processor: GM_config_builtin_processors.boolean
            },
            "modrinth/shortcut": {
                name: "快捷键",
                value: true,
                processor: GM_config_builtin_processors.boolean
            },
            "modrinth/default-filter/loader": {
                name: "默认 Loader",
                value: ["fabric"],
                processor: processor_string_list
            },
            "modrinth/default-filter/version": {
                name: "默认 MC 版本",
                value: ["1.18.2", "1.19.2"],
                processor: processor_string_list
            },
            "modrinth/default-filter/channel": {
                name: "默认 Channel",
                value: [],
                processor: processor_string_list
            }
        }
    };
    function try_click(selector) {
        let ele = document.querySelector(selector);
        if (ele) ele.click();
    }
    function setup_shortcuts(selectors, filter, timeout) {
        document.addEventListener("keydown", (e) => {
            if (document.activeElement.nodeName != "INPUT") {
                switch (e.key) {
                    case "ArrowLeft":
                        try_click(selectors[0]);
                        break;
                    case "ArrowRight":
                        try_click(selectors[1]);
                        break;
                    case "f":
                        filter();
                        break;
                    case "s":
                        if (selectors[2].length) {
                            try_click(selectors[2]);
                            window.setTimeout(() => {
                                let search = document.querySelector(selectors[3]);
                                if (search) search.focus();
                            }, timeout);
                        } else {
                            let search = document.querySelector(selectors[3]);
                            if (search) search.focus();
                        }
                        e.preventDefault();
                        break;
                    default:
                        break;
                }
            } else if (document.activeElement.value == "") {
                switch (e.key) {
                    case "Escape":
                        document.activeElement.blur();
                        break;
                    case "ArrowLeft":
                        try_click(selectors[0]);
                        break;
                    case "ArrowRight":
                        try_click(selectors[1]);
                        break;
                    default:
                        break;
                }
            }
        })
        log("⚙️ Shortcuts installed!");
    }
    let config_desc = config_descs.general;
    switch (window.location.host) {
        case 'www.minecraft.net': {
            Object.assign(config_desc, config_descs.minecraft);
            let config = GM_config(config_desc);
            if (config["minecraft/auto-stay"]) {
                try_click("#popup-btn");
                log("✋ Auto stayed!");
            }
            break;
        }
        case 'www.curseforge.com': {
            Object.assign(config_desc, config_descs.curseforge);
            let config = GM_config(config_desc);
            if (config["curseforge/auto-mod"] && window.location.pathname == '/') {
                log("🛣️ Navigating to mc mods...");
                window.location.pathname = "/minecraft/mc-mods";
            }
            if (config["curseforge/highlight-files"] && window.location.pathname != "/") {
                let tabs = document.getElementsByClassName("tabs");
                if (tabs.length) {
                    tabs = tabs[0];
                    for (let tab of tabs.children) {
                        if (tab.textContent == "Files") {
                            tab.style.border = config["curseforge/highlight-border"];
                            break;
                        }
                    }
                }
            }
            if (config["curseforge/default-download"]) {
                function cf_replace(menu) {
                    menu.children[0].remove();
                    let down = menu.querySelector("#contextMenu").children[1];
                    let new_btn = document.createElement("button");
                    new_btn.innerHTML = '<svg><use href="/images/sprite.svg#icon-download"></use></svg><span>Download</span>';
                    new_btn.setAttribute("class", "btn-cta");
                    new_btn.onclick = (e) => { window.location.href = down.children[0].href; };
                    menu.insertBefore(new_btn, menu.children[0]);
                }
                let cfg = { attributes: false, childList: true, subtree: true };
                let callback = (mutations, observer) => {
                    for (let mutation of mutations) {
                        if (mutation.addedNodes.length) {
                            let menus = mutation.addedNodes[0].querySelectorAll("#menuButton");
                            if (menus.length) {
                                for (let menu of menus) {
                                    cf_replace(menu);
                                }
                            }
                        }
                    }
                };
                let content;
                if (window.location.pathname == "/minecraft/search") {
                    content = document.querySelector(".search-page");
                } else if (window.location.pathname.startsWith("/minecraft/mc-mods/")) {
                    content = document.getElementsByClassName("tab-content")[0];
                } else {
                    break;
                }
                let observer = new MutationObserver(callback);
                observer.observe(content, cfg);
                let menus = document.querySelectorAll("#menuButton");
                if (menus.length) {
                    let cnt = 0;
                    for (let menu of menus) {
                        cnt++;
                        cf_replace(menu);
                    }
                    log(`📥 Successfully replaced ${cnt} "Install" button(s).`);
                }
            }
            if (config["curseforge/shortcut"]) {
                setup_shortcuts([".btn-prev", ".btn-next", "", "input.search-input-field"], () => { try_click(".tabs > li > a[href$='/files']") });
            }
            break;
        }
        case "modrinth.com": {
            Object.assign(config_desc, config_descs.modrinth);
            let config = GM_config(config_desc);
            if (window.location.pathname == "/" && config["modrinth/auto-mod"]) {
                log("🛣️ Navigating to mod search page...");
                try_click(".button-group > a");
            }
            function filter() {
                let router = document.getElementById("__nuxt").__vue_app__.$nuxt.$router;
                if (router.currentRoute.value.name === "type-id") {
                    let path = router.currentRoute.value.path;
                    if (path.endsWith("/")) path = path.slice(0, -1);
                    router.replace({
                        path: router.currentRoute.value.path + "/versions", query: {
                            "l": config["modrinth/default-filter/loader"],
                            "g": config["modrinth/default-filter/version"],
                            "c": config["modrinth/default-filter/channel"]
                        }
                    });
                }
            }
            if (config["modrinth/shortcut"]) {
                setup_shortcuts([".left-arrow", ".right-arrow", ".navigation > a.nav-link", "#search"], filter);
            }
            break;
        }
    }
})();