"use server"

import { revalidatePath } from "next/cache"

import { auth } from "@/auth"
import { isAdminEmail } from "@/lib/admin-auth"
import {
  updateInvitationLanguage,
  updateSaveTheDateSent,
} from "@/lib/db/queries/invitations"
import {
  updateInvitationLanguageSchema,
  updateSaveTheDateSentSchema,
} from "@/lib/validation/invitation"

export interface UpdateSaveTheDateSentResult {
  ok: boolean
  error: string | null
}

export interface UpdateInvitationLanguageResult {
  ok: boolean
  error: string | null
}

export async function updateSaveTheDateSentAction(input: {
  invitationId: string
  sent: boolean
}): Promise<UpdateSaveTheDateSentResult> {
  const session = await auth()
  const adminEmail = session?.user?.email

  if (!isAdminEmail(adminEmail)) {
    return { ok: false, error: "You are not allowed to update invitations." }
  }

  const parsed = updateSaveTheDateSentSchema.safeParse(input)

  if (!parsed.success) {
    return { ok: false, error: "Could not update save-the-date status." }
  }

  try {
    const updated = await updateSaveTheDateSent({
      invitationId: parsed.data.invitationId,
      sent: parsed.data.sent,
      adminEmail: adminEmail ?? "",
    })

    if (!updated) {
      return { ok: false, error: "This guest group no longer exists." }
    }
  } catch (error) {
    console.error("Failed to update save-the-date status", error)
    return { ok: false, error: "Could not update save-the-date status." }
  }

  revalidatePath("/admin/guests")
  revalidatePath("/admin")

  return { ok: true, error: null }
}

export async function updateInvitationLanguageAction(input: {
  invitationId: string
  language: string
}): Promise<UpdateInvitationLanguageResult> {
  const session = await auth()
  const adminEmail = session?.user?.email

  if (!isAdminEmail(adminEmail)) {
    return { ok: false, error: "You are not allowed to update invitations." }
  }

  const parsed = updateInvitationLanguageSchema.safeParse(input)

  if (!parsed.success) {
    return { ok: false, error: "Select a supported language." }
  }

  try {
    const updated = await updateInvitationLanguage({
      invitationId: parsed.data.invitationId,
      language: parsed.data.language,
      adminEmail: adminEmail ?? "",
    })

    if (!updated) {
      return { ok: false, error: "This guest group no longer exists." }
    }
  } catch (error) {
    console.error("Failed to update invitation language", error)
    return { ok: false, error: "Could not update the invitation language." }
  }

  revalidatePath(`/admin/guests/${parsed.data.invitationId}`)
  revalidatePath("/admin/guests")
  revalidatePath("/admin")

  return { ok: true, error: null }
}