import child_process from 'child_process';
const LOG_SPLIT_SEPARATOR: string = '||||||';

const exec = (cmd: string): Promise<string> => {
    const promise: Promise<string> = new Promise((resolve: (value: string) => void) => {
        let result: string = '';
        const stream = child_process.spawn(cmd, {});
        stream.on('message', (message: child_process.Serializable, sendHandle: child_process.SendHandle) => {
            console.log('stdout: ' + message.toString());
            result !== null && (result += message.toString());
        });

        stream.once("exit", (code: number, signal: NodeJS.Signals) => resolve(result || ""));

    });
    return promise;
}

export const readSvnVersion = (dir: string): string => {
    const svnInfoString = child_process.execSync(`cd "${dir}" & svn info`).toString();
    const svnInfo = svnInfoString.split('\n');
    let version: string;
    for (let item of svnInfo) {
        let info: string[] = item.split(': ');
        if (info[0] === 'Revision') {
            version = info[1];
            break;
        }
    }
    return version;
}

// export const readSvnLog = (dir: string, startVersion: number): string[] => {

// }

export const readGitVersion = (dir: string): string => {
    const commit = child_process.execSync(`cd "${dir}" & git show -s --format=%H`).toString().trim();
    return commit;

}

export const readGitLog = async (dir: string, startVersion: string): Promise<{ name: string; title: string; }[]> => {
    let command = `cd "${dir}" & `;
    command += startVersion ? `git log ${startVersion}.. ` : 'git log ';
    command += `--pretty=format:"%an${LOG_SPLIT_SEPARATOR}%s${LOG_SPLIT_SEPARATOR}%H" --no-merges`;
    const log = child_process.execSync(command).toString();
    const logArray = log.split('\n');

    const messageArray: { name: string, title: string }[] = [];
    logArray.forEach((element: string) => {
        if (!element || !element.length) return;
        const data = element.split(LOG_SPLIT_SEPARATOR);
        if (!data || data.length !== 3) return;
        const [name, title, id] = data;
        if (title === 'commit meta with etc1') return;
        if (title.indexOf('from jenkins') >= 0) {
            const jenkinsName = 'Jenkins';
            const resourceLog = child_process.execSync(`cd "${dir}" & git diff-tree -r --no-commit-id --name-only ${id}`).toString();
            if (resourceLog.indexOf('assets/resources/conf/allConf.json') >= 0)
                messageArray.push({ name: jenkinsName, title: '数据表更新' });
            if (resourceLog.indexOf('assets/resources/conf/allTrack.json') >= 0)
                messageArray.push({ name: jenkinsName, title: 'Track表更新' });
            if (resourceLog.indexOf('assets/resources/conf/path.json') >= 0)
                messageArray.push({ name: jenkinsName, title: 'Path表更新' });
            if (resourceLog.indexOf('assets/resources/audio') >= 0)
                messageArray.push({ name: jenkinsName, title: '音效更新' });
            if (resourceLog.indexOf('assets/res/anim/testure/fish') >= 0 || resourceLog.indexOf('assets/resources/anim/clip/fish') >= 0) {
                const regExp = new RegExp('assets/((resources/anim/clip)|(res/anim/texture))/fish/([a-zA-Z0-9_]+)', 'g');
                const result: string[] = [];
                let matchArray: RegExpMatchArray;
                while (matchArray = regExp.exec(resourceLog)) {
                    let fishName: string = matchArray[4];
                    if (result.indexOf(fishName) >= 0) continue;
                    result.push(fishName);
                    messageArray.push({ name: jenkinsName, title: `${fishName}鱼动画资源更新` });
                }
            }
        }
        else {
            messageArray.push({ name, title });
        }
    })
    return messageArray;

}