"use server";

import { redirect } from "next/navigation";
import { revalidatePath } from "next/cache";
import { prisma } from "@/lib/prisma";
import { logAdminAction } from "@/lib/audit-log";
import { isValidUploadPath } from "@/lib/uploads";
import { requireAdmin, str, num, strArray } from "./_shared";

export async function createHarvestAction(formData: FormData): Promise<void> {
  const admin = await requireAdmin();
  const year = num(formData, "year");
  const type = str(formData, "type");
  const slug = `${type.toLowerCase().replace(/[^a-z0-9]+/g, "-")}-${year}`;
  // Checkbox: nur in formData vorhanden, wenn angehakt — fehlt sie ganz
  // (kein Feld im Formular), gilt "veroeffentlicht" als sicherer Default fuer
  // manuell im Admin-Bereich angelegte Ernten (bisheriges Verhalten vor
  // Einfuehrung von isPublished).
  const isPublished = !formData.has("isPublished") || formData.get("isPublished") === "on";

  const harvest = await prisma.harvest.create({
    data: {
      year,
      type,
      slug,
      harvestDate: new Date(str(formData, "harvestDate")),
      location: str(formData, "location") || "Altenmünster",
      description: str(formData, "description"),
      images: strArray(formData, "images").filter(isValidUploadPath),
      isPublished,
    },
  });

  await logAdminAction(admin, {
    action: "harvest.create",
    entityType: "Harvest",
    entityId: harvest.id,
    detail: `${type} ${year}`,
  });

  revalidatePath("/admin/ernten");
  revalidatePath("/ernten");
  redirect("/admin/ernten");
}

export async function updateHarvestAction(formData: FormData): Promise<void> {
  const admin = await requireAdmin();
  const id = str(formData, "id");
  const isPublished = formData.get("isPublished") === "on";

  await prisma.harvest.update({
    where: { id },
    data: {
      year: num(formData, "year"),
      type: str(formData, "type"),
      harvestDate: new Date(str(formData, "harvestDate")),
      location: str(formData, "location") || "Altenmünster",
      description: str(formData, "description"),
      images: strArray(formData, "images").filter(isValidUploadPath),
      isPublished,
    },
  });

  await logAdminAction(admin, { action: "harvest.update", entityType: "Harvest", entityId: id });

  revalidatePath("/admin/ernten");
  revalidatePath("/ernten");
  redirect("/admin/ernten");
}

/**
 * Isolierte "Veroeffentlichen"/"Verbergen"-Aktion, getrennt von
 * updateHarvestAction — so kann der Status per Knopfdruck direkt aus der
 * Ernten-Liste umgeschaltet werden, ohne durch das komplette Bearbeiten-
 * Formular zu muessen (insbesondere fuer den "veroeffentlichen"-Bestaetigungs-
 * schritt bei aus ApiCore synchronisierten Entwuerfen, siehe apicore-sync.ts).
 */
export async function toggleHarvestPublishedAction(formData: FormData): Promise<void> {
  const admin = await requireAdmin();
  const id = str(formData, "id");
  const isPublished = formData.get("isPublished") === "on";

  const harvest = await prisma.harvest.update({
    where: { id },
    data: { isPublished },
  });

  await logAdminAction(admin, {
    action: isPublished ? "harvest.publish" : "harvest.unpublish",
    entityType: "Harvest",
    entityId: id,
    detail: `${harvest.type} ${harvest.year}`,
  });

  revalidatePath("/admin/ernten");
  revalidatePath("/ernten");
  redirect("/admin/ernten");
}

export async function createBatchAction(formData: FormData): Promise<void> {
  const admin = await requireAdmin();
  const code = str(formData, "code");
  const batch = await prisma.batch.create({
    data: {
      code,
      harvestId: str(formData, "harvestId"),
      fillDate: new Date(str(formData, "fillDate")),
      bestBeforeDate: new Date(str(formData, "bestBeforeDate")),
      glassCount: num(formData, "glassCount"),
      remainingGlasses: num(formData, "remainingGlasses"),
    },
  });

  await logAdminAction(admin, { action: "batch.create", entityType: "Batch", entityId: batch.id, detail: code });

  revalidatePath("/admin/chargen");
  redirect("/admin/chargen");
}

export async function updateBatchAction(formData: FormData): Promise<void> {
  const admin = await requireAdmin();
  const id = str(formData, "id");

  await prisma.batch.update({
    where: { id },
    data: {
      fillDate: new Date(str(formData, "fillDate")),
      bestBeforeDate: new Date(str(formData, "bestBeforeDate")),
      glassCount: num(formData, "glassCount"),
      remainingGlasses: num(formData, "remainingGlasses"),
    },
  });

  await logAdminAction(admin, { action: "batch.update", entityType: "Batch", entityId: id });

  revalidatePath("/admin/chargen");
  redirect("/admin/chargen");
}