"use server";

import type { MutationCtx } from "./_generated/server";
import type { Doc } from "./_generated/dataModel";

const DEFAULT_MOBILE_DEVICE_FIELDS: Array<{
  key: string;
  label: string;
  type: "text" | "select";
  description?: string;
  options?: Array<{ value: string; label: string }>;
}> = [
  {
    key: "mobile_identificacao",
    label: "Identificação interna",
    type: "text",
    description: "Como o time reconhece este dispositivo (ex.: iPhone da Ana).",
  },
  {
    key: "mobile_ram",
    label: "Memória RAM",
    type: "text",
  },
  {
    key: "mobile_storage",
    label: "Armazenamento (HD/SSD)",
    type: "text",
  },
  {
    key: "mobile_cpu",
    label: "Processador",
    type: "text",
  },
  {
    key: "mobile_hostname",
    label: "Hostname",
    type: "text",
  },
  {
    key: "mobile_patrimonio",
    label: "Patrimônio",
    type: "text",
  },
  {
    key: "mobile_observacoes",
    label: "Observações",
    type: "text",
  },
  {
    key: "mobile_situacao",
    label: "Situação do equipamento",
    type: "select",
    options: [
      { value: "em_uso", label: "Em uso" },
      { value: "reserva", label: "Reserva" },
      { value: "manutencao", label: "Em manutenção" },
      { value: "inativo", label: "Inativo" },
    ],
  },
  {
    key: "mobile_cargo",
    label: "Cargo",
    type: "text",
  },
  {
    key: "mobile_setor",
    label: "Setor",
    type: "text",
  },
];

export async function ensureMobileDeviceFields(ctx: MutationCtx, tenantId: string) {
  const existingMobileFields = await ctx.db
    .query("deviceFields")
    .withIndex("by_tenant_scope", (q) => q.eq("tenantId", tenantId).eq("scope", "mobile"))
    .take(100);
  const allFields = await ctx.db
    .query("deviceFields")
    .withIndex("by_tenant_order", (q) => q.eq("tenantId", tenantId))
    .take(100);

  const existingByKey = new Map<string, Doc<"deviceFields">>();
  existingMobileFields.forEach((field) => existingByKey.set(field.key, field));

  let order = allFields.reduce((max, field) => Math.max(max, field.order ?? 0), 0);
  const now = Date.now();

  for (const definition of DEFAULT_MOBILE_DEVICE_FIELDS) {
    const current = existingByKey.get(definition.key);
    if (current) {
      const updates: Partial<Doc<"deviceFields">> = {};
      if ((current.label ?? "").trim() !== definition.label) {
        updates.label = definition.label;
      }
      if ((current.description ?? "") !== (definition.description ?? "")) {
        updates.description = definition.description ?? undefined;
      }
      const existingOptions = JSON.stringify(current.options ?? null);
      const desiredOptions = JSON.stringify(definition.options ?? null);
      if (existingOptions !== desiredOptions) {
        updates.options = definition.options ?? undefined;
      }
      if (current.type !== definition.type) {
        updates.type = definition.type;
      }
      if (Object.keys(updates).length) {
        await ctx.db.patch(current._id, {
          ...updates,
          updatedAt: now,
        });
      }
      continue;
    }

    order += 1;
    await ctx.db.insert("deviceFields", {
      tenantId,
      key: definition.key,
      label: definition.label,
      description: definition.description ?? undefined,
      type: definition.type,
      required: false,
      options: definition.options ?? undefined,
      scope: "mobile",
      companyId: undefined,
      order,
      createdAt: now,
      updatedAt: now,
    });
  }
}