#! /usr/bin/env runjs

var argsjs = require('component-args.js');
var timejs = require('component-time.js');
var dingtalkrobotjs = require('component-dingtalkrobot-ex.js');

// curl --header "Private-Token: xxxxxxxxxxxxx" https://gitlab.com/api/v4/users/jht5945/projects | viewjson.js
// curl --header "Private-Token: xxxxxxxxxxxxx" https://gitlab.com/api/v4/projects/5327754/issues?state=opened | viewjson.js

// https://gitlab.com/help/api/projects.md
// https://gitlab.com/help/api/issues.md

var sampleConfig = {
    "default": {
        "dailyCheckHour": 9,
        "checkNewItems": true,
        "privateToken": "xxxxxxxxxxxxx",
        "dingtalkRobotToken": "xxxxxxxxxxxxxxxxxxxxxx"
    },
    "list": [{
        "projectId": 5327754,
        "dailyCheckHour": 9,
        "checkNewItems": true,
        "privateToken": "xxxxxxxxxxxxx",
        "dingtalkRobotToken": "xxxxxxxxxxxxxxxxxxxxxx",
        "messageFootNote": "https://gitlab.com/xxxxxxx/xxxxxxxxxxxxx/issues"
    }]
};

var issueToString = (issue) => {
    var createdAt = $$.date().fmt('yyyy-MM-dd\'T\'HH:mm:ss.SSSXXX').parse(issue.created_at);
    var it = [' - ', issue.title];
    it.push(' (' + timejs.formatDuration(createdAt.getTime()) + ')');
    if (issue.labels && issue.labels.length > 0) {
        it.push(' [' + issue.labels.join(', ') + ']');
    }
    if (issue.due_date) {
        it.push(', due: ' + timejs.formatDueInDays($$.date().fmt('yyyy-MM-dd').parse(issue.due_date)));
    }
    if (issue.weight != null) {
        it.push(', weight: ' + issue.weight);
    }
    return it.join('');
};

var main = () => {
    var args = argsjs.parseDefARGs();
    var config = $$.file(args[0] || '~/.gitlab_todo_config.json');
    if (!(config.exists())) {
        xprintln('[ERROR] config file not exists: ' + args[0]);
        return;
    }
    var configJSON = JSON.parse($$.rFile(config).string() || '{}');
    var defaultConfig = configJSON['default'];
    var configList = configJSON['list'] || [];

    configList.forEach((config) => {
        var startMillis = $$.date().millis();
        xprintln('[INFO] Check project, id: ' + config.projectId);
        var localConfigPath = $$.file('~/.jssp/gitlab_todo/localconfig');
        if (!(localConfigPath.exists())) { localConfigPath.mkdirs(); }
        var projectLocalConfig = $$.file(localConfigPath, 'config_' + config.projectId + '.json');
        var projectLocalConfigJSON = {};
        if (projectLocalConfig.exists()) { projectLocalConfigJSON = JSON.parse($$.rFile(projectLocalConfig).string()); }

        var doDailyCheckHour = false;
        var todayYMD = $STR($$.date().fmt('yyyy-MM-dd').format($$.date().today()));
        var hour = $$.asInt($$.date().fmt('H').format($$.date().today()));
        if (todayYMD != projectLocalConfigJSON.checkedYMD) {
            if (hour == ((config.dailyCheckHour != null) ? config.dailyCheckHour : defaultConfig.dailyCheckHour)) {
                doDailyCheckHour = true;
            }
        }
        var hasNewItems = false;
        var doCheckNewItems = (config.checkNewItems != null) ? config.checkNewItems : defaultConfig.checkNewItems;
        xprintln('[INFO] Project config: doDailyCheckHour=' + doDailyCheckHour + ', doCheckNewItems=' + doCheckNewItems);

        if (doDailyCheckHour || doCheckNewItems) { // DO CHECK
            var url = 'https://gitlab.com/api/v4/projects/' + config.projectId + '/issues?state=opened';
            xprintln('[INFO] Get url: ' + url);
            var openedIssues = $$.httpRequest().url(url)
                .header('Private-Token', config.privateToken || defaultConfig.privateToken)
                .get();

            var openedIssuesJSON = JSON.parse(openedIssues);
            if (openedIssuesJSON && (openedIssuesJSON.length > 0)) {
                if (doDailyCheckHour) {
                    var msg = [];
                    msg.push((config.title || '<untitled>') + ' (' + openedIssuesJSON.length + ' items):');
                    openedIssuesJSON.forEach((issue) => {
                        msg.push(issueToString(it));
                    });
                    if (config.messageFootNote) {
                        msg.push('');
                        msg.push(config.messageFootNote);
                    }
                    dingtalkrobotjs.sendText(config.dingtalkRobotToken || defaultConfig.dingtalkRobotToken, msg.join('\n'));
                    projectLocalConfigJSON.checkedYMD = todayYMD;
                }
                if (doCheckNewItems) {
                    projectLocalConfigJSON.checkedIssueIds = projectLocalConfigJSON.checkedIssueIds || [];
                    var newIssuesJSON = openedIssuesJSON.filter((issue) => {
                        return (projectLocalConfigJSON.checkedIssueIds.indexOf(issue.id) < 0);
                    });
                    if (newIssuesJSON && (newIssuesJSON.length > 0)) {
                        var msg = [];
                        msg.push('New items found (' + newIssuesJSON.length + ' items):');
                        newIssuesJSON.forEach((issue) => {
                            msg.push(issueToString(issue));
                            projectLocalConfigJSON.checkedIssueIds.push(issue.id);
                        });
                        hasNewItems = true;
                        dingtalkrobotjs.sendText(config.dingtalkRobotToken || defaultConfig.dingtalkRobotToken, msg.join('\n'));
                    }
                }
            }
            if (doDailyCheckHour || (doCheckNewItems && hasNewItems)) {
                $$.rFile(projectLocalConfig).write(JSON.stringify(projectLocalConfigJSON));
            }
        }
        xprintln('[INFO] Finish check project, cost: ' + ($.date().millis() - startMillis) + 'ms');
    });
};

main();