import { eq } from "drizzle-orm";
import { z } from "zod";
import { taskCreationFormSchema } from "~/lib/schemas/task-creation-form";

import { createTRPCRouter, protectedProcedure } from "~/server/api/trpc";
import { lists, tasks } from "~/server/db/schema";

export const tasksRouter = createTRPCRouter({
  create: protectedProcedure
    .input(taskCreationFormSchema)
    .mutation(async ({ ctx, input }) => {
      const list = await ctx.db.query.lists.findFirst({
        where: eq(lists.id, input.listId),
      });

      // TODO: Error - no list found
      if (!list) {
        return;
      }

      const taskId = list.lastTaskId + 1;
      const visibleId = list.showId ? `${list.idPrefix}${taskId}` : undefined;

      await ctx.db
        .insert(tasks)
        .values({ listId: input.listId, title: input.title, visibleId });

      await ctx.db
        .update(lists)
        .set({ lastTaskId: taskId })
        .where(eq(lists.id, input.listId));
    }),
  getAll: protectedProcedure
    .input(z.object({ listId: z.number() }))
    .query(({ ctx, input }) =>
      ctx.db.query.tasks.findMany({
        where: eq(lists.id, input.listId),
      }),
    ),
  update: protectedProcedure
    .input(taskCreationFormSchema)
    .mutation(async ({ ctx, input }) => {
      //
    }),
  delete: protectedProcedure
    .input(z.object({ listId: z.number() }))
    .mutation(async ({ ctx, input }) => {
      //
    }),
});