const noFound = 'Auto: Route No Found';
const whiteListedUser = ['dependabot-preview[bot]'];

module.exports = async ({ github, context, core }, body, number) => {
    core.debug(`sender: ${context.payload.sender.login}`);
    core.debug(`body: ${body}`);
    const m = body.match(/```routes\r\n((.|\r\n)*)```/);
    core.debug(`match: ${m}`);
    let res = null;

    const removeLabel = async () =>
        github.issues
            .removeLabel({
                issue_number: number,
                owner: context.repo.owner,
                repo: context.repo.repo,
                name: noFound,
            })
            .catch((e) => {
                core.warning(e);
            });
    
     if (whiteListedUser.includes(context.payload.sender.login)) {
        core.info('PR created by a whitelisted user, passing');
        await removeLabel();
        await github.issues
            .addLabels({
                issue_number: number,
                owner: context.repo.owner,
                repo: context.repo.repo,
                labels: ['Auto: whitelisted'],
            })
            .catch((e) => {
                core.warning(e);
            });
        return;
    }

    if (m && m[1]) {
        res = m[1].trim().split('\r\n');
        core.info(`routes detected: ${res}`);

        if ((res.length > 0 && res[0] === 'NOROUTE')) {
            core.info('PR stated no route, passing');
            await removeLabel();
            await github.issues
                .addLabels({
                    issue_number: number,
                    owner: context.repo.owner,
                    repo: context.repo.repo,
                    labels: ['Auto: No Route Needed'],
                })
                .catch((e) => {
                    core.warning(e);
                });

            return;
        } else if (res.length > 0) {
            core.exportVariable('TEST_CONTINUE', true);
            await removeLabel();
            return res;
        }
    }

    core.warning('seems no route found, failing');

    await github.issues
        .addLabels({
            issue_number: number,
            owner: context.repo.owner,
            repo: context.repo.repo,
            labels: [noFound],
        })
        .catch((e) => {
            core.warning(e);
        });
    await github.issues
        .createComment({
            issue_number: number,
            owner: context.repo.owner,
            repo: context.repo.repo,
            body: `自动检测失败, 请确认PR正文部分符合格式规范并重新开启, 详情请检查日志
Auto Route test failed, please check your PR body format and reopen pull request. Check logs for more details`,
        })
        .catch((e) => {
            core.warning(e);
        });
    await github.pulls
        .update({
            owner: context.repo.owner,
            repo: context.repo.repo,
            pull_number: number,
            state: 'closed',
        })
        .catch((e) => {
            core.warning(e);
        });

    throw 'Please follow the PR rules: failed to detect route';
};