import type { HomeAssistantDeskPositionResult } from "@dpu/shared";
import type { FastifyInstance, FastifyReply, FastifyRequest } from "fastify";
import { z } from "zod";
import type { HomeAssistantService } from "./service.js";

export async function privateHomeAssistantRoutes(
	fastify: FastifyInstance,
	{
		haService,
		verifyAPIKey,
	}: {
		haService: HomeAssistantService;
		verifyAPIKey: (
			request: FastifyRequest,
			reply: FastifyReply,
		) => Promise<void>;
	},
) {
	fastify.get(
		"/homeassistant/desk/position",
		{
			schema: {
				description: "Get current desk position",
				tags: ["homeassistant"],
				response: {
					200: z.object({
						is_standing: z.boolean(),
						last_changed: z.string(),
						last_changed_seconds: z.number(),
					}),
					418: z.object({
						error: z.string(),
					}),
				},
			},
		},
		async (_request, reply) => {
			const service_result = await haService.getDeskPosition();

			if (!service_result.successful) {
				reply.code(418);
				return { error: service_result.result };
			}

			return haService.convertPosResultToApiAnswer(
				service_result.result as HomeAssistantDeskPositionResult,
			);
		},
	);

	fastify.post(
		"/homeassistant/desk/stand",
		{
			preHandler: verifyAPIKey,
			schema: {
				description: "Trigger standing desk automation",
				tags: ["homeassistant"],
				response: {
					200: z.unknown(),
					401: z.object({
						error: z.literal("Invalid API key"),
					}),
					418: z.object({
						error: z.string(),
					}),
				},
			},
		},
		async (_request, reply) => {
			const service_result = await haService.startStandingAutomation();

			if (!service_result.successful) {
				reply.code(418);
				return { error: service_result.result };
			}

			return service_result.result;
		},
	);

	fastify.get(
		"/homeassistant/temperature",
		{
			schema: {
				description: "Get current room temperature",
				tags: ["homeassistant"],
				response: {
					200: z.string(),
					418: z.object({
						error: z.string(),
					}),
				},
			},
		},
		async (_request, reply) => {
			const service_result = await haService.getTemperature();

			if (!service_result.successful) {
				reply.code(418);
				return { error: service_result.result };
			}

			return service_result.result;
		},
	);
}