import { fetch } from "@tauri-apps/plugin-http";

import {
    type InferOutput,
    array,
    literal,
    nullable,
    parse,
    pipe,
    strictObject,
    string,
    uuid,
    variant,
} from "valibot";

type BaseRequestParams = Partial<{
    path: string;
    body: RequestInit["body"];
    method: "GET" | "POST";
}>;

export const base = import.meta.env.DEV
    ? "http://localhost:3040"
    : "https://haystack.johncosta.tech";

const getBaseRequest = ({ path, body, method }: BaseRequestParams): Request => {
    return new Request(`${base}/${path}`, {
        body,
        method,
    });
};

const getBaseAuthorizedRequest = ({
    path,
    body,
    method,
}: BaseRequestParams): Request => {
    return new Request(`${base}/${path}`, {
        headers: {
            Authorization: `Bearer ${localStorage.getItem("access")?.toString()}`,
        },
        body,
        method,
    });
};
const sendImageResponseValidator = strictObject({
    ID: pipe(string(), uuid()),
    ImageID: pipe(string(), uuid()),
    UserID: pipe(string(), uuid()),
    Status: string(),
});

export const sendImage = async (
    imageName: string,
    base64Image: string,
): Promise<InferOutput<typeof sendImageResponseValidator>> => {
    const request = getBaseAuthorizedRequest({
        path: `image/${imageName}`,
        body: base64Image,
        method: "POST",
    });

    request.headers.set("Content-Type", "application/base64");

    const res = await fetch(request).then((res) => res.json());

    return parse(sendImageResponseValidator, res);
};

const locationValidator = strictObject({
    ID: pipe(string(), uuid()),
    Name: string(),
    Address: nullable(string()),
    Description: nullable(string()),
});

const contactValidator = strictObject({
    ID: pipe(string(), uuid()),
    Name: string(),
    Description: nullable(string()),
    PhoneNumber: nullable(string()),
    Email: nullable(string()),
});

const eventValidator = strictObject({
    ID: pipe(string(), uuid()),
    Name: string(),
    StartDateTime: nullable(pipe(string())),
    EndDateTime: nullable(pipe(string())),
    Description: nullable(string()),
    LocationID: nullable(pipe(string(), uuid())),
    // Location: nullable(locationValidator),
    OrganizerID: nullable(pipe(string(), uuid())),
    // Organizer: nullable(contactValidator),
});

const noteValidator = strictObject({
    ID: pipe(string(), uuid()),
    Name: string(),
    Description: nullable(string()),
    Content: string(),
});

const locationDataType = strictObject({
    type: literal("location"),
    data: locationValidator,
});

const eventDataType = strictObject({
    type: literal("event"),
    data: eventValidator,
});

const noteDataType = strictObject({
    type: literal("note"),
    data: noteValidator,
});

const contactDataType = strictObject({
    type: literal("contact"),
    data: contactValidator,
});

const dataTypeValidator = variant("type", [
    locationDataType,
    eventDataType,
    noteDataType,
    contactDataType,
]);
const getUserImagesResponseValidator = array(dataTypeValidator);

export type UserImage = InferOutput<typeof dataTypeValidator>;

export const getUserImages = async (): Promise<UserImage[]> => {
    const request = getBaseAuthorizedRequest({ path: "image" });

    const res = await fetch(request).then((res) => res.json());

    console.log("BACKEND RESPONSE: ", res);

    return parse(getUserImagesResponseValidator, res);
};

export const postLogin = async (email: string): Promise<void> => {
    const request = getBaseRequest({
        path: "login",
        body: JSON.stringify({ email }),
        method: "POST",
    });

    await fetch(request);
};

const codeValidator = strictObject({
    access: string(),
    refresh: string(),
});

export const postCode = async (
    email: string,
    code: string,
): Promise<InferOutput<typeof codeValidator>> => {
    const request = getBaseRequest({
        path: "code",
        body: JSON.stringify({ email, code }),
        method: "POST",
    });

    const res = await fetch(request).then((res) => res.json());

    return parse(codeValidator, res);
};