'use strict';

var glob = require('@techor/glob');
var extend = require('@techor/extend');
var fs = require('@techor/fs');
var path = require('path');
var fs$1 = require('fs');
var yaml = require('js-yaml');
var log = require('@techor/log');

function readWorkspaces(options) {
    const pkg = fs.readJSONFileSync(path.resolve(options?.cwd || '', './package.json'));
    return pkg ? pkg?.workspaces || [] : undefined // package.json does not exist
    ;
}

function queryWorkspaces(patterns, options) {
    options = extend({
        ignore: [
            '**/node_modules/**'
        ]
    }, options);
    patterns = patterns?.length ? patterns : readWorkspaces(options);
    return patterns?.length ? glob.explorePathsSync(patterns.map((eachWorkspace)=>eachWorkspace + '/package.json'), options).map((eachWorkspace)=>eachWorkspace.replace('/package.json', '')) : [];
}

function readPNPMWorkspaces(options) {
    const pnpmWorkspaceContent = fs$1.readFileSync(path.resolve(options?.cwd || '', './pnpm-workspace.yaml'));
    if (pnpmWorkspaceContent) {
        const pnpmWorkspaceJSON = yaml.load(pnpmWorkspaceContent);
        return pnpmWorkspaceJSON.packages || [];
    } else {
        return undefined // pnpm-workspace.yaml does not exist
        ;
    }
}

function readWorkspacePackages(patterns = [], options) {
    const workspaces = queryWorkspaces(patterns, options);
    return workspaces.length ? workspaces.map((eachWorkspace)=>fs.readJSONFileSync(path.join(options?.cwd || '', eachWorkspace, 'package.json'))) : [];
}

function explorePackageManager(options) {
    if (fs$1.existsSync(path.resolve(options?.cwd || '', './pnpm-workspace.yaml'))) {
        log.info`pnpm-workspace.yaml is detected`;
        return 'pnpm';
    } else if (fs$1.existsSync(path.resolve(options?.cwd || '', './package.json'))) {
        log.info`package.json is detected`;
        return 'npm';
    }
}

exports.explorePackageManager = explorePackageManager;
exports.queryWorkspaces = queryWorkspaces;
exports.readPNPMWorkspaces = readPNPMWorkspaces;
exports.readWorkspacePackages = readWorkspacePackages;
exports.readWorkspaces = readWorkspaces;