// services/fetchAnalogInputsHistoryService.ts

export async function fetchAnalogInputsHistoryService(): Promise<
  Record<number, any[]>
> {
  const today = new Date();
  const yesterday = new Date(today);
  yesterday.setDate(today.getDate() - 1);

  const formatDate = (date: Date) =>
    `${date.getFullYear()};${String(date.getMonth() + 1).padStart(
      2,
      "0"
    )};${String(date.getDate()).padStart(2, "0")}`;

  const fromDate = formatDate(yesterday);
  const toDate = formatDate(today);

  const result: Record<number, any[]> = {};

  const isDev = process.env.NODE_ENV === "development";

  for (let i = 0; i < 8; i++) {
    const inputNumber = i + 1; // 1–8
    const sourceId = 99 + inputNumber; // 100–107 für AE1–AE8

    try {
      let data: any[];

      if (isDev) {
        // ⬇️ Lädt lokale Mock-Dateien (z. B. /api/cpl/fetchAnalogInputsHistory)
        const response = await fetch(
          `/apiMockData/analogInputsHistoryData/analogInput${inputNumber}.json`
        );
        if (!response.ok) throw new Error("Mock-Daten nicht verfügbar");
        data = await response.json();
      } else {
        // ⬇️ Holt Live-Daten über CPL-HTTP-Endpunkt
        const url = `${window.location.origin}/CPL?Service/empty.acp&DIA0=${fromDate};${toDate};${sourceId};1`;
        const response = await fetch(url);
        if (!response.ok)
          throw new Error(`Fehler bei AE${inputNumber}: ${response.status}`);
        data = await response.json();
      }

      result[sourceId] = data;
    } catch (error) {
      console.error(`❌ Fehler beim Laden von AE${inputNumber}:`, error);
      result[sourceId] = [];
    }
  }

  return result;
}