import yaml from 'npm:js-yaml'

export class W3PData {

    constructor () {
    }

    async init () {
        this.data = await this.load("./src")
    }

    async load (dataDir) {
        const out = {}
        for await (const f of Deno.readDir(dataDir)) {
            if (f.isFile && f.name.match(/\.yaml$/)) {
                const name = f.name.split('.')[0]
                out[name] = await this.loadYaml(`${dataDir}/${f.name}`)
            }
            if (f.isDirectory && f.name === 'projects') {
                out.projects = []
                const projectsDir = `${dataDir}/${f.name}`
                for await (const pcd of Deno.readDir(projectsDir)) {
                    const catName = pcd.name
                    const catDir = `${projectsDir}/${pcd.name}`
                    for await (const pd of Deno.readDir(catDir)) {
                        if (!pd.isDirectory) {
                            continue
                        }
                        const pDir = `${catDir}/${pd.name}`
                        const index = yaml.load(await Deno.readTextFile(`${pDir}/index.yaml`))
                        out.projects.push(Object.assign({ id: pd.name }, index))
                    }
                }
            }
        }
        return out
    }
    
    async loadYaml (f) {
        return yaml.load(await Deno.readTextFile(f))
    }
}