import express from "express";
import internalUser from "../internal/user.js";
import jwtdecode from "../lib/express/jwt-decode.js";
import userIdFromMe from "../lib/express/user-id-from-me.js";
import apiValidator from "../lib/validator/api.js";
import validator from "../lib/validator/index.js";
import { getValidationSchema } from "../schema/index.js";

const router = express.Router({
	caseSensitive: true,
	strict: true,
	mergeParams: true,
});

/**
 * /api/users
 */
router
	.route("/")
	.options((_, res) => {
		res.sendStatus(204);
	})
	.all(jwtdecode())

	/**
	 * GET /api/users
	 *
	 * Retrieve all users
	 */
	.get((req, res, next) => {
		validator(
			{
				additionalProperties: false,
				properties: {
					expand: {
						$ref: "common#/properties/expand",
					},
					query: {
						$ref: "common#/properties/query",
					},
				},
			},
			{
				expand: typeof req.query.expand === "string" ? req.query.expand.split(",") : null,
				query: typeof req.query.query === "string" ? req.query.query : null,
			},
		)
			.then((data) => {
				return internalUser.getAll(res.locals.access, data.expand, data.query);
			})
			.then((users) => {
				res.status(200).send(users);
			})
			.catch((err) => {
				console.log(err);
				next(err);
			});
		//.catch(next);
	})

	/**
	 * POST /api/users
	 *
	 * Create a new User
	 */
	.post((req, res, next) => {
		apiValidator(getValidationSchema("/users", "post"), req.body)
			.then((payload) => {
				return internalUser.create(res.locals.access, payload);
			})
			.then((result) => {
				res.status(201).send(result);
			})
			.catch(next);
	});

/**
 * Specific user
 *
 * /api/users/123
 */
router
	.route("/:user_id")
	.options((_, res) => {
		res.sendStatus(204);
	})
	.all(jwtdecode())
	.all(userIdFromMe)

	/**
	 * GET /users/123 or /users/me
	 *
	 * Retrieve a specific user
	 */
	.get((req, res, next) => {
		validator(
			{
				required: ["user_id"],
				additionalProperties: false,
				properties: {
					user_id: {
						$ref: "common#/properties/id",
					},
					expand: {
						$ref: "common#/properties/expand",
					},
				},
			},
			{
				user_id: req.params.user_id,
				expand: typeof req.query.expand === "string" ? req.query.expand.split(",") : null,
			},
		)
			.then((data) => {
				return internalUser.get(res.locals.access, {
					id: data.user_id,
					expand: data.expand,
					omit: internalUser.getUserOmisionsByAccess(res.locals.access, data.user_id),
				});
			})
			.then((user) => {
				res.status(200).send(user);
			})
			.catch((err) => {
				console.log(err);
				next(err);
			});
	})

	/**
	 * PUT /api/users/123
	 *
	 * Update and existing user
	 */
	.put((req, res, next) => {
		apiValidator(getValidationSchema("/users/{userID}", "put"), req.body)
			.then((payload) => {
				payload.id = req.params.user_id;
				return internalUser.update(res.locals.access, payload);
			})
			.then((result) => {
				res.status(200).send(result);
			})
			.catch(next);
	})

	/**
	 * DELETE /api/users/123
	 *
	 * Update and existing user
	 */
	.delete((req, res, next) => {
		internalUser
			.delete(res.locals.access, { id: req.params.user_id })
			.then((result) => {
				res.status(200).send(result);
			})
			.catch(next);
	});

/**
 * Specific user auth
 *
 * /api/users/123/auth
 */
router
	.route("/:user_id/auth")
	.options((_, res) => {
		res.sendStatus(204);
	})
	.all(jwtdecode())
	.all(userIdFromMe)

	/**
	 * PUT /api/users/123/auth
	 *
	 * Update password for a user
	 */
	.put((req, res, next) => {
		apiValidator(getValidationSchema("/users/{userID}/auth", "put"), req.body)
			.then((payload) => {
				payload.id = req.params.user_id;
				return internalUser.setPassword(res.locals.access, payload);
			})
			.then((result) => {
				res.status(200).send(result);
			})
			.catch(next);
	});

/**
 * Specific user permissions
 *
 * /api/users/123/permissions
 */
router
	.route("/:user_id/permissions")
	.options((_, res) => {
		res.sendStatus(204);
	})
	.all(jwtdecode())
	.all(userIdFromMe)

	/**
	 * PUT /api/users/123/permissions
	 *
	 * Set some or all permissions for a user
	 */
	.put((req, res, next) => {
		apiValidator(getValidationSchema("/users/{userID}/permissions", "put"), req.body)
			.then((payload) => {
				payload.id = req.params.user_id;
				return internalUser.setPermissions(res.locals.access, payload);
			})
			.then((result) => {
				res.status(200).send(result);
			})
			.catch(next);
	});

/**
 * Specific user login as
 *
 * /api/users/123/login
 */
router
	.route("/:user_id/login")
	.options((_, res) => {
		res.sendStatus(204);
	})
	.all(jwtdecode())

	/**
	 * POST /api/users/123/login
	 *
	 * Log in as a user
	 */
	.post((req, res, next) => {
		internalUser
			.loginAs(res.locals.access, { id: Number.parseInt(req.params.user_id, 10) })
			.then((result) => {
				res.status(200).send(result);
			})
			.catch(next);
	});

export default router;