import { Response, NextFunction } from 'express';

import { AuthenticatedRequest } from '@app/middleware/auth';

import { CreateMedicineRegimenSchema, UpdateMedicineRegimenSchema } from '@app/schemas';

import {

  getMedicineRegimensByUserId,

  createMedicineRegimen,

  updateMedicineRegimen,

  deactivateMedicineRegimen,

} from '@app/services/medicineRegimen.service';

export const MedicineRegimensController = {

  index: async (req: AuthenticatedRequest, res: Response, next: NextFunction) => {

    try {

      const regimens = await getMedicineRegimensByUserId(Number(req.userId));

      return res.status(200).json({ regimens });

    } catch (err) {

      next(err);

    }

  },

  create: async (req: AuthenticatedRequest, res: Response, next: NextFunction) => {

    try {

      const parsed = CreateMedicineRegimenSchema.safeParse(req.body.regimen);

      if (!parsed.success) {

        return res.status(400).json({ errors: parsed.error!.issues });

      }

      const regimen = await createMedicineRegimen(req.userId!, parsed.data);

      return res.status(201).json({ regimen });

    } catch (err) {

      next(err);

    }

  },

  update: async (req: AuthenticatedRequest, res: Response, next: NextFunction) => {

    try {

      const parsed = UpdateMedicineRegimenSchema.safeParse(req.body.regimen);

      if (!parsed.success) {

        return res.status(400).json({ errors: parsed.error!.issues });

      }

      const regimen = await updateMedicineRegimen(

        req.userId!,

        Number(req.params.id),

        parsed.data,

      );

      return res.status(200).json({ regimen });

    } catch (err) {

      next(err);

    }

  },

  destroy: async (req: AuthenticatedRequest, res: Response, next: NextFunction) => {

    try {

      await deactivateMedicineRegimen(req.userId!, Number(req.params.id));

      return res.status(200).json({});

    } catch (err) {

      next(err);

    }

  },

};