// Normalised view of the home content, shared by the three home variants.
// Everything comes from YAML (site/pages/home.yml, site/site.yml,
// site/pages/evenement.yml, site/pages/numerique/cloud-libre.yml) — no copy here.

export type AxisKey = 'numerique' | 'economie' | 'politique'
export type StackStatus = 'service' | 'catalogue' | 'avenir'

export interface HomeAction {
  id: string
  label: string
  icon: string
  highlight?: boolean
  secondary?: boolean
  to?: string
  href?: string
}

export interface HomeTool {
  label: string
  description: string
  to?: string
  href?: string
  gestation?: boolean
  icon?: string
  presentation?: { title: string, text: string }
  actions?: HomeAction[]
}

export interface HomeStack {
  role: string
  name?: string
  status: StackStatus
  url?: string
}

export interface HomeAxis {
  key: AxisKey
  /** Short label as used in the navigation ("numérique", "économique", "citoyenne") */
  short: string
  title: string
  icon: string
  to: string
  /** What is "le plus en amont" on this axis (hero.axes) */
  lever: string
  promise: string
  /** CSS custom property holding the axis hue */
  hue: string
  items: HomeTool[]
}

const AXIS_META: Record<AxisKey, { heroLabel: string, to: string, hue: string, short: string }> = {
  numerique: { heroLabel: 'numérique', to: '/numerique', hue: '--axis-num', short: 'numérique' },
  economie: { heroLabel: 'économie', to: '/economique', hue: '--axis-eco', short: 'économique' },
  politique: { heroLabel: 'citoyenne', to: '/citoyenne', hue: '--axis-cit', short: 'citoyenne' },
}

export const AXIS_ORDER: AxisKey[] = ['numerique', 'economie', 'politique']

export async function useHomeData() {
  const [{ data: home }, { data: site }, { data: event }, { data: cloud }] = await Promise.all([
    usePageContent('home'),
    useSiteContent(),
    usePageContent('evenement'),
    usePageContent('numerique/cloud-libre'),
  ])

  const hero = computed(() => (home.value as any)?.hero ?? {})

  const axes = computed<HomeAxis[]>(() => {
    const raw = (home.value as any)?.axes ?? {}
    const levers: { label: string, value: string }[] = hero.value.axes ?? []
    return AXIS_ORDER.filter(k => raw[k]).map((key) => {
      const meta = AXIS_META[key]
      return {
        key,
        short: meta.short,
        title: raw[key].title,
        icon: raw[key].icon,
        to: meta.to,
        lever: levers.find(l => l.label === meta.heroLabel)?.value ?? '',
        promise: raw[key].promise ?? '',
        hue: meta.hue,
        items: raw[key].items ?? [],
      }
    })
  })

  const lpk = computed(() => (site.value as any)?.lpk as
    { name: string, fullName: string, text: string, role: string, to: string } | undefined)

  /** Bouquet sweethomeCloud, flattened — the stacks served by LPK */
  const bouquet = computed(() => {
    const section = ((cloud.value as any)?.sections ?? []).find((s: any) => s.type === 'territoire')
    const b = section?.bouquet
    if (!b) return null
    const stacks: (HomeStack & { category: string })[] = []
    for (const cat of b.categories ?? []) {
      for (const item of cat.items ?? []) {
        if (typeof item === 'string') continue
        stacks.push({ ...item, category: cat.label })
      }
    }
    return {
      title: b.title as string,
      statuses: (b.statuses ?? {}) as Record<StackStatus, string>,
      categories: (b.categories ?? []) as { label: string, icon: string, items: HomeStack[] }[],
      stacks,
      inService: stacks.filter(s => s.status === 'service' && s.name),
    }
  })

  const evenement = computed(() => {
    const e = event.value as any
    const teaser = (home.value as any)?.evenement
    if (!e && !teaser) return null
    const politique = (e?.axes ?? []).find((a: any) => a.label === 'Politique')
    return {
      to: teaser?.to ?? '/evenement',
      title: e?.title ?? teaser?.title,
      teaser: teaser ? `${teaser.title} ${teaser.subtitle}` : '',
      subtitle: e?.subtitle ?? '',
      tagline: e?.tagline ?? '',
      leitmotiv: e?.leitmotiv ?? '',
      description: e?.description ?? '',
      gestation: e?.gestation ?? teaser?.gestation,
      config: (e?.config ?? []) as { icon: string, label: string, detail: string }[],
      espaces: (e?.espaces ?? []) as { icon: string, label: string, desc: string }[],
      /** "Autonomie d'un bassin de vie — accessible et reproductible" */
      reproduction: (politique?.items?.[0] as string) ?? '',
    }
  })

  return {
    home,
    hero,
    axes,
    lpk,
    bouquet,
    evenement,
    book: computed(() => (home.value as any)?.book),
    format: computed(() => (home.value as any)?.format as { title: string, text: string } | undefined),
    gratewizard: computed(() => (home.value as any)?.gratewizard),
  }
}