import crypto from "node:crypto";
import { eq } from "drizzle-orm";
import type { AppDatabase } from "../database-context.js";
import { globalDevices } from "../schema/global-devices.js";
import type {
  CreateGlobalDeviceInput,
  UpdateGlobalDeviceInput,
} from "../../shared/validation/global-device.schemas.js";

export class GlobalDeviceRepository {
  constructor(private readonly database: AppDatabase) {}

  async list() {
    const db = this.database;
    return db.select().from(globalDevices);
  }

  async create(input: CreateGlobalDeviceInput) {
    const db = this.database;
    const id = crypto.randomUUID();
    await db.insert(globalDevices).values({
      id,
      name: input.name,
      displayName: input.displayName,
      category: input.category ?? null,
      quantity: input.quantity,
      installedPowerPerUnitKw: input.installedPowerPerUnitKw,
      demandFactor: input.demandFactor,
      voltageV: null,
      phaseCount: input.phaseCount,
      powerFactor: input.powerFactor ?? null,
      note: input.note ?? null,
    });
    return { id, ...input };
  }

  async update(globalDeviceId: string, input: UpdateGlobalDeviceInput) {
    const db = this.database;
    await db
      .update(globalDevices)
      .set({
        name: input.name,
        displayName: input.displayName,
        category: input.category ?? null,
        quantity: input.quantity,
        installedPowerPerUnitKw: input.installedPowerPerUnitKw,
        demandFactor: input.demandFactor,
        voltageV: null,
        phaseCount: input.phaseCount,
        powerFactor: input.powerFactor ?? null,
        note: input.note ?? null,
      })
      .where(eq(globalDevices.id, globalDeviceId));
  }

  async findById(globalDeviceId: string) {
    const db = this.database;
    const [row] = await db.select().from(globalDevices).where(eq(globalDevices.id, globalDeviceId)).limit(1);
    return row ?? null;
  }

  async delete(globalDeviceId: string) {
    const db = this.database;
    await db.delete(globalDevices).where(eq(globalDevices.id, globalDeviceId));
  }
}