import { Controller, Get, Query, Logger } from '@nestjs/common';
import { MasterdataService } from './masterdata.service';

@Controller('api/masterdata')
export class MasterdataController {
    private readonly logger = new Logger(MasterdataController.name);

    constructor(private masterdata: MasterdataService) {}

    @Get('departments')
    async departments() {
        return this.masterdata.getDepartments();
    }

    @Get('doctors')
    async doctors() {
        return this.masterdata.getDoctors();
    }

    @Get('clinics')
    async clinics() {
        return this.masterdata.getClinics();
    }

    // Available time slots for a doctor on a given date.
    // Computed from DoctorVisitSlot entities (doctor × clinic × dayOfWeek).
    // Returns 30-min slots within the doctor's visiting window for that day.
    //
    // GET /api/masterdata/slots?doctorId=xxx&date=2026-04-15
    @Get('slots')
    async slots(
        @Query('doctorId') doctorId: string,
        @Query('date') date: string,
    ) {
        if (!doctorId || !date) return [];
        return this.masterdata.getAvailableSlots(doctorId, date);
    }

    // Force cache refresh (admin use)
    @Get('refresh')
    async refresh() {
        await this.masterdata.invalidateAll();
        return { refreshed: true };
    }
}