import { lstatSync, readFileSync } from 'fs';
import { BaseUrl, FileUrl, ScriptPath, SupportUrl } from './paths';
export default function (name) {
    var meta = {
        name: name,
        namespace: 'zomo.dev',
        match: '',
        excludematch: '',
        version: '0.0.0',
        description: '',
        icon: '',
        require: '',
        resource: '',
        runat: '',
        noframes: false,
        grant: '',
        injectinto: '',
        downloadURL: FileUrl(name),
        supportURL: SupportUrl,
        homepageURL: BaseUrl,
        unwrap: false,
    };
    let metaPath = ScriptPath(name).meta;
    if (lstatSync(metaPath).isFile()) {
        try {
            let args = JSON.parse(readFileSync(metaPath).toString());
            let key;
            for (key in meta) {
                let val = args[key];
                //cases where the value is empty
                if (val === undefined)
                    continue;
                if (val === false)
                    continue;
                if (val === '')
                    continue;
                meta[key] = val;
            }
        }
        catch (e) {
            console.log(e);
        }
    }
    else {
        console.log(`${metaPath} not found, using default metadata`);
    }
    const keyConversion = {
        injectinto: 'inject-into',
        excludematch: 'exclude-match',
    };
    return [
        meta,
        `// ==UserScript==
${Object.keys(meta)
            .filter(key => {
            let val = meta[key];
            if (val === undefined)
                return false;
            if (val === false)
                return false;
            if (val === '')
                return false;
            return true;
        })
            .map(key => {
            let val = meta[key];
            let key_str = key in keyConversion
                ? keyConversion[key]
                : key;
            key_str = key_str.padStart(12, ' ');
            if (typeof val === 'boolean') {
                if (val)
                    return `// @${key_str}`;
            }
            else if (typeof val === 'string') {
                return `// @${key_str} ${val}`;
            }
            else if (Array.isArray(val)) {
                return val.map(v => `// @${key_str} ${v}`).join('\n');
            }
            return '';
        })
            .filter(l => l.length)
            .join('\n')}
// ==/UserScript==
`,
    ];
}
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