import { getUserFromToken } from '../../utils/auth.js'

function normalizeConfig(config) {
  if (!config || typeof config !== 'object') return undefined
  const normalized = {
    season: config.season ? String(config.season) : undefined,
    teamName: config.teamName ? String(config.teamName) : undefined,
    teamAgeGroup: config.teamAgeGroup ? String(config.teamAgeGroup) : undefined
  }
  if (!normalized.season && !normalized.teamName && !normalized.teamAgeGroup) {
    return undefined
  }
  return normalized
}

function parseSections(value) {
  if (!value || typeof value !== 'string') return []
  try {
    const parsed = JSON.parse(value)
    if (!Array.isArray(parsed)) return []
    return parsed
      .filter(section => section?.id)
      .map((section, index) => ({
        key: section.key ? String(section.key) : `${String(section.id)}-${index}`,
        id: String(section.id),
        enabled: section.enabled !== false,
        config: normalizeConfig(section.config)
      }))
  } catch {
    return []
  }
}

export default defineEventHandler(async (event) => {
  const token = getCookie(event, 'auth_token') || getHeader(event, 'authorization')?.replace(/^Bearer\s+/i, '')
  const user = token ? await getUserFromToken(token) : null

  const rawCookieSections = getCookie(event, 'homepage_sections')
  const cookieSections = parseSections(rawCookieSections)

  const userSections = Array.isArray(user?.homepageSettings?.sections)
    ? user.homepageSettings.sections
        .filter(section => section?.id)
        .map((section, index) => ({
          key: section.key ? String(section.key) : `${String(section.id)}-${index}`,
          id: String(section.id),
          enabled: section.enabled !== false,
          config: normalizeConfig(section.config)
        }))
    : []

  const isLoggedIn = !!user

  return {
    isLoggedIn,
    storage: isLoggedIn ? 'user' : 'cookie',
    sections: isLoggedIn ? userSections : cookieSections
  }
})