import fs from 'fs'
import path from 'path'

const _isBunBinary = typeof (globalThis as any).Bun !== 'undefined'
    && path.dirname((process as any).execPath) !== process.cwd()
const BASE_DIR = _isBunBinary
    ? path.dirname((process as any).execPath)
    : process.cwd()
const DATA_PATH = path.join(BASE_DIR, 'config', 'settings.json')

export interface Settings {
    mediaPath     : string
    completePath  : string
    organizeMode  : 'hardlink' | 'move'
    category      : string
    nfoSupport    : boolean   // téléchargement NFO/images depuis GitLab Fankai Pack
}

const defaults: Settings = {
    mediaPath    : '',
    completePath : '',
    organizeMode : 'hardlink',
    category     : 'fankai',
    nfoSupport   : false,
}

export function readSettings(): Settings {
    try {
        if (!fs.existsSync(DATA_PATH)) return { ...defaults }
        return { ...defaults, ...JSON.parse(fs.readFileSync(DATA_PATH, 'utf-8')) }
    } catch { return { ...defaults } }
}

export function writeSettings(settings: Partial<Settings>): Settings {
    const current = readSettings()
    const updated = { ...current, ...settings }
    fs.mkdirSync(path.dirname(DATA_PATH), { recursive: true })
    fs.writeFileSync(DATA_PATH, JSON.stringify(updated, null, 2))
    return updated
}