use std::env;

use axum::{response::Response, Router, routing::post};
use serde::Deserialize;
use tower_cookies::{Cookies, Cookie};

use crate::{types::{extract::{Check, CheckResult, Json, AdminUser, Log}, http::ResponseCode}, admin, database};

#[derive(Deserialize)]
struct AdminAuthRequest {
    secret: String,
}

impl Check for AdminAuthRequest {
    fn check(&self) -> CheckResult {
        Ok(())
    }
}

async fn auth(cookies: Cookies, Json(body) : Json<AdminAuthRequest>) -> Response {

    let check = env::var("SECRET").unwrap_or("admin".to_string());
    if check != body.secret {
        return ResponseCode::BadRequest.text("Invalid admin secret")
    }

    let mut cookie = Cookie::new("admin", admin::regen_secret().await);
    cookie.set_secure(false);
    cookie.set_http_only(false);
    cookie.set_path("/");

    cookies.add(cookie);

    ResponseCode::Success.text("Successfully logged in")
}

#[derive(Deserialize)]
struct QueryRequest {
    query: String,
}

impl Check for QueryRequest {
    fn check(&self) -> CheckResult {
        Ok(())
    }
}

async fn query(_: AdminUser, Json(body) : Json<QueryRequest>) -> Response {
    match database::query(body.query) {
        Ok(changes) => ResponseCode::Success.text(&format!("Query executed successfully. {} lines changed.", changes)),
        Err(err) => ResponseCode::InternalServerError.text(&format!("{}", err))
    }
}

async fn posts(_: AdminUser, _: Log) -> Response {
    admin::generate_posts()
}

async fn users(_: AdminUser, _: Log) -> Response {
    admin::generate_users()
}

async fn sessions(_: AdminUser, _: Log) -> Response {
    admin::generate_sessions()
}

async fn check(check: Option<AdminUser>, _: Log) -> Response {
    if check.is_none() {
        ResponseCode::Success.text("false")
    } else {
        ResponseCode::Success.text("true")
    }
}

pub fn router() -> Router {
    Router::new()
        .route("/auth", post(auth))
        .route("/query", post(query))
        .route("/posts", post(posts))
        .route("/users", post(users))
        .route("/sessions", post(sessions))
        .route("/check", post(check))
}