import { NextRequest, NextResponse } from "next/server"
import { auth }                      from "@/lib/auth"
import {
  listAttendance,
  createAttendance,
} from "@/features/attendance/service"
import { attendanceSchema }          from "@/features/attendance/schema"
import type { AttendanceFilters }    from "@/features/attendance/types"

export const runtime = "nodejs"

export async function GET(req: NextRequest) {
  try {
    const session = await auth()
    if (!session) return NextResponse.json({ error: "Unauthorized" }, { status: 401 })

    const { searchParams } = new URL(req.url)

    const filters: AttendanceFilters = {
      branchId:   searchParams.get("branchId")   || undefined,
      employeeId: searchParams.get("employeeId") || undefined,
      status:     (searchParams.get("status")    || undefined) as AttendanceFilters["status"],
      dateFrom:   searchParams.get("dateFrom")   || undefined,
      dateTo:     searchParams.get("dateTo")     || undefined,
    }

    const data = await listAttendance(filters)
    return NextResponse.json(data)
  } catch (err: unknown) {
    const msg = err instanceof Error ? err.message : "Failed to fetch attendance"
    return NextResponse.json({ error: msg }, { status: 500 })
  }
}

export async function POST(req: NextRequest) {
  try {
    const session = await auth()
    if (!session) return NextResponse.json({ error: "Unauthorized" }, { status: 401 })

    const body   = await req.json()
    const parsed = attendanceSchema.safeParse(body)

    if (!parsed.success) {
      return NextResponse.json(
        { error: "Validation error", details: parsed.error.errors },
        { status: 400 }
      )
    }

    const record = await createAttendance(parsed.data, session.user?.id)
    return NextResponse.json(record, { status: 201 })
  } catch (err: unknown) {
    const msg = err instanceof Error ? err.message : "Failed to create attendance"
    return NextResponse.json({ error: msg }, { status: 500 })
  }
}