import {z, createRoute, OpenAPIHono} from "@hono/zod-openapi";
import {apiHit} from "../../../globalUtils/apiHits.js";
import {registerUser} from "../controllers/register.js";

const app = new OpenAPIHono();

const UserSchema = z.object({
    username: z
    .string()
    .regex(/^[a-zA-Z0-9_]{3,30}$/)
    .openapi({example: "smith034"}),
    email: z.string().email().openapi({example: "smith@example.com"}),
    password: z
    .string()
    .min(6, {message: "Passwords must be longer than 3 characters"})
    .regex(/[A-Z]/, {message: "Password must contain at least one uppercase letter"})
    .regex(/[\W_]/, {message: "Password must contain at least one special character"})
    .openapi({example: "Password1!"}),
});

type User = z.infer<typeof UserSchema>;

const responseSchema = z.object({
    success: z.boolean().optional().openapi({example: true}),
    message: z.string().optional().openapi({example: "User Created"}),
});

app.openapi(
    createRoute({
        tags: ["Auth"],
        summary: "Register a new user",
        method: "post",
        path: "/",
        request: {
            body: {
                content: {
                    "application/json": {schema: UserSchema},
                },
            },
        },
        responses: {
            200: {
                content: {"application/json": {schema: responseSchema}},
                description: "Retrieve the user",
            },
            400: {
                content: {
                    "application/json": {
                        schema: z.object({
                            success: z.boolean().openapi({example: false}),
                            message: z.string().openapi({example: "Invalid credentials passed"}),
                        }),
                    },
                },
                description: "Retrieve the user",
            },
        },
    }),
    async (c) => {
        // apit hit
        apiHit(c, {endpoint: "api/auth/register"});
        let {username, email, password} = await c.req.json();

        if (!username || !email || !password) {
            return c.json({success: false, message: "Credentials missing"}, 400);
        }

        // some usernames that should be ignored
        const badActors = ["admin", "root"];
        if (badActors.includes(username)) {
            return c.json(
                {
                    success: false,
                    message: `${username} is not a valid name to be registerd please try again`,
                },
                400
            );
        }

        try {
            const register = await registerUser(username, password, email);

            return c.json({success: register.success, message: register.message, user: register?.user}, 200);
        } catch (error) {
            console.log(error);
            return c.json(
                {
                    success: false,
                    message: `${username} already exists please login or reset password, if you feel this is an error please contact your admin.`,
                },
                400
            );
        }
    }
);

export default app;