import { Handlers } from '$fresh/server.ts'
import { ulid } from 'https://deno.land/x/ulid@v0.3.0/mod.ts'
import { type AnyZodObject } from 'https://deno.land/x/zod@v3.21.4/mod.ts'
import { db } from '@homeman/models.ts'

export function crudHandler<
	SchemaName extends keyof typeof db,
	Schema = db[SchemaName
	CreateSchema extends AnyZodObject,
	Creator extends (s: CreateSchema) => Promise<Schema>,
>(
	schema: SchemaName,
	createModel: CreateSchema,
	creator: Creator,
): Handlers<typeof db[SchemaName]Schema | null> {
	return {
		async POST(req, _ctx) {
			const data = createModel.parse(await req.json())
			const newModel: typeof db[SchemaName] = await creator(
				data as CreateSchema,
			)
			const result = await db[schema].create({ data: newModel })
			return new Response(JSON.stringify(result))
		},
		async PUT(req, _ctx) {
			const user = UserModel.parse(await req.json())
			const result = await db.users.update({ data: user })
			return new Response(JSON.stringify(result))
		},
		async DELETE(req, _ctx) {
			const userData = UserModel.pick({ id: true }).parse(await req.json())
			const result = await db.users.delete({ where: userData })
			return new Response(JSON.stringify(result))
		},
		async GET(req, _ctx) {
			const data = await req.json().catch(() => {})
			const userData = UserModel.pick({ id: true }).safeParse(data)
			if (userData.success) {
				return new Response(
					JSON.stringify(await db.users.findFirst({ where: userData.data })),
				)
			} else {
				return new Response(JSON.stringify(await db.users.findMany({})))
			}
		},
	}
}