import type { NextApiRequest, NextApiResponse } from "next";

import { withMiddleware } from "@lib/helpers/withMiddleware";
import type { SelectedCalendarResponse } from "@lib/types";
import {
  schemaSelectedCalendarBodyParams,
  schemaSelectedCalendarPublic,
} from "@lib/validations/selected-calendar";
import { schemaQueryIdAsString, withValidQueryIdString } from "@lib/validations/shared/queryIdString";

export async function selectedCalendarById(
  { method, query, body, userId, prisma }: NextApiRequest,
  res: NextApiResponse<SelectedCalendarResponse>
) {
  const safeQuery = schemaQueryIdAsString.safeParse(query);
  const safeBody = schemaSelectedCalendarBodyParams.safeParse(body);
  if (!safeQuery.success) {
    res.status(400).json({ message: "Your query was invalid" });
    return;
  }
  // This is how we set the userId and externalId in the query for managing compoundId.
  const [paramUserId, integration, externalId] = safeQuery.data.id.split("_");
  if (userId !== parseInt(paramUserId)) res.status(401).json({ message: "Unauthorized" });
  else {
    switch (method) {
      /**
       * @swagger
       * /selected-calendars/{userId}_{integration}_{externalId}:
       *   get:
       *     operationId: getSelectedCalendarById
       *     summary: Find a selected calendar by providing the compoundId(userId_integration_externalId) separated by `_`
       *     parameters:
       *      - in: path
       *        name: userId
       *        schema:
       *          type: integer
       *        required: true
       *        description: userId of the selected calendar to get
       *      - in: path
       *        name: externalId
       *        schema:
       *          type: string
       *        required: true
       *        description: externalId of the selected calendar to get
       *      - in: path
       *        name: integration
       *        schema:
       *          type: string
       *        required: true
       *        description: integration of the selected calendar to get
       *     tags:
       *     - selected-calendars
       *     responses:
       *       200:
       *         description: OK
       *       401:
       *        description: Authorization information is missing or invalid.
       *       404:
       *         description: SelectedCalendar was not found
       */
      case "GET":
        await prisma.selectedCalendar
          .findUnique({
            where: {
              userId_integration_externalId: {
                userId: userId,
                integration: integration,
                externalId: externalId,
              },
            },
          })
          .then((selectedCalendar) => schemaSelectedCalendarPublic.parse(selectedCalendar))
          .then((selected_calendar) => res.status(200).json({ selected_calendar }))
          .catch((error: Error) =>
            res.status(404).json({
              message: `SelectedCalendar with id: ${safeQuery.data.id} not found`,
              error,
            })
          );
        break;

      /**
       * @swagger
       * /selected-calendars/{userId}_{integration}_{externalId}:
       *   patch:
       *     operationId: editSelectedCalendarById
       *     summary: Edit a selected calendar
       *     parameters:
       *      - in: path
       *        name: userId
       *        schema:
       *          type: integer
       *        required: true
       *        description: userId of the selected calendar to get
       *      - in: path
       *        name: externalId
       *        schema:
       *          type: string
       *        required: true
       *        description: externalId of the selected calendar to get
       *      - in: path
       *        name: integration
       *        schema:
       *          type: string
       *        required: true
       *        description: integration of the selected calendar to get
       *     tags:
       *     - selected-calendars
       *     responses:
       *       201:
       *         description: OK, selected-calendar edited successfuly
       *       400:
       *        description: Bad request. SelectedCalendar body is invalid.
       *       401:
       *        description: Authorization information is missing or invalid.
       */
      case "PATCH":
        if (!safeBody.success) {
          {
            res.status(400).json({ message: "Invalid request body" });
            return;
          }
        }
        await prisma.selectedCalendar
          .update({
            where: {
              userId_integration_externalId: {
                userId: userId,
                integration: integration,
                externalId: externalId,
              },
            },
            data: safeBody.data,
          })
          .then((selectedCalendar) => schemaSelectedCalendarPublic.parse(selectedCalendar))
          .then((selected_calendar) => res.status(200).json({ selected_calendar }))
          .catch((error: Error) =>
            res.status(404).json({
              message: `SelectedCalendar with id: ${safeQuery.data.id} not found`,
              error,
            })
          );
        break;
      /**
       * @swagger
       * /selected-calendars/{userId}_{integration}_{externalId}:
       *   delete:
       *     operationId: removeSelectedCalendarById
       *     summary: Remove a selected calendar
       *     parameters:
       *      - in: path
       *        name: userId
       *        schema:
       *          type: integer
       *        required: true
       *        description: userId of the selected calendar to get
       *      - in: path
       *        name: externalId
       *        schema:
       *          type: integer
       *        required: true
       *        description: externalId of the selected-calendar to get
       *      - in: path
       *        name: integration
       *        schema:
       *          type: string
       *        required: true
       *        description: integration of the selected calendar to get
       *     tags:
       *     - selected-calendars
       *     responses:
       *       201:
       *         description: OK, selected-calendar removed successfuly
       *       400:
       *        description: Bad request. SelectedCalendar id is invalid.
       *       401:
       *        description: Authorization information is missing or invalid.
       */
      case "DELETE":
        await prisma.selectedCalendar
          .delete({
            where: {
              userId_integration_externalId: {
                userId: userId,
                integration: integration,
                externalId: externalId,
              },
            },
          })
          .then(() =>
            res.status(200).json({
              message: `SelectedCalendar with id: ${safeQuery.data.id} deleted successfully`,
            })
          )
          .catch((error: Error) =>
            res.status(404).json({
              message: `SelectedCalendar with id: ${safeQuery.data.id} not found`,
              error,
            })
          );
        break;

      default:
        res.status(405).json({ message: "Method not allowed" });
        break;
    }
  }
}

export default withMiddleware("HTTP_GET_DELETE_PATCH")(withValidQueryIdString(selectedCalendarById));