// ==UserScript==
// @name           Acorn cannon log helper
// @match          *://donguri.5ch.net/cannonlogs
// @connect        menu.5ch.net
// @connect        itest.5ch.net
// @grant          GM_xmlhttpRequest
// @grant          GM_openInTab
// @version        0.1
// ==/UserScript==

let boards = new Promise((resolve, reject) => {
    GM_xmlhttpRequest({
        url: "https://menu.5ch.net/bbsmenu.json",
        responseType: "json",
        onload: (resp => {
            resolve(resp.response);
        }),
        onerror: (resp => {
            reject(resp);
        }),
    });
}).then(json => {
    let serverMap = {};
    for (let cats of json.menu_list) {
        for (let board of cats.category_content) {
            serverMap[board.directory_name] = (new URL(board.url)).hostname;
        }
    }
    return serverMap;
}).catch(resp => console.error(resp));

function attachSearchButton(parent, board, thread, date, time)
{
    let button = document.createElement("a");
    button.style.marginLeft = "4px";
    button.style.fontSize = "small";
    button.href = "javasctipt:void(0)";
    button.textContent = "レスを検索";
    button.addEventListener("click", evt => {
        evt.target.textContent = "検索中...";
        let host;
        boards.then(map => {
            host = map[board];
            let subdomain = host?.split(".")[0];
            return new Promise((resolve, reject) => {
                GM_xmlhttpRequest({
                    url: `https://itest.5ch.net/public/newapi/client.php?subdomain=${subdomain}&board\=${board}\&dat\=${thread}`,
                    responseType: "json",
                    onload: (resp => {
                        resolve(resp.response);
                    }),
                    onerror: (resp => {
                        reject(resp);
                    }),
                });
            });
        }).then(json => {
            for (let comment of json.comments) {
                if (comment[3].endsWith(time) && comment[3].startsWith(date)) {
                    let url = `https://${host}/test/read.cgi/${board}/${thread}/${comment[0]}`;
                    GM_openInTab(url)
                    button.textContent = "開く";
                    button.href = url;
                    button.target = "_blank";
                    break;
                }
            }
        }).catch(resp => {
            button.textContent = "エラー";
            console.error(resp)
        });
    }, {once: true});
    parent.appendChild(button);
}

for (let td of document.querySelectorAll("tr td:nth-child(2)")) {
    let content = td.textContent;
    content = content.substr(content.lastIndexOf("|")+1).trim();
    let time = content.match(/[\d]{2}:[\d]{2}:[\d]{2}\.[\d]{2}/);
    let date = content.match(/[\d]{4}\/[\d]{2}\/[\d]{2}/);
    content = content.split(" ");
    attachSearchButton(td, content[0], content[1], date, time);
}