/*
    This file is part of jellything (https://codeberg.org/metamuffin/jellything)
    which is licensed under the GNU Affero General Public License (version 3); see /COPYING.
    Copyright (C) 2023 metamuffin <metamuffin.org>
*/
use super::layout::{DynLayoutPage, LayoutPage};
use crate::{routes::ui::account::rocket_uri_macro_r_account_login, uri};
use rocket::{
    catch,
    http::{MediaType, Status},
    response::{self, Responder},
    Request,
};
use serde_json::{json, Value};
use std::fmt::Display;

#[catch(default)]
pub fn r_catch<'a>(status: Status, _request: &Request) -> DynLayoutPage<'a> {
    LayoutPage {
        title: "Not found".to_string(),
        content: markup::new! {
            h2 { "Error" }
            p { @format!("{status}") }
            @if status == Status::NotFound {
                p { "You might need to " a[href=uri!(r_account_login())] { "log in" } ", to see this page" }
            }
        },
        ..Default::default()
    }
}

#[catch(default)]
pub fn r_api_catch<'a>(status: Status, _request: &Request) -> Value {
    json!({ "error": format!("{status}") })
}

pub type MyResult<T> = Result<T, MyError>;

#[derive(Debug)]
pub struct MyError(pub anyhow::Error);

impl<'r> Responder<'r, 'static> for MyError {
    fn respond_to(self, req: &'r Request<'_>) -> response::Result<'static> {
        if req
            .accept()
            .map(|a| a.preferred().exact_eq(&MediaType::JSON))
            .unwrap_or(true)
        {
            json!({ "error": format!("{}", self.0) }).respond_to(req)
        } else {
            LayoutPage {
                title: "Error".to_string(),
                content: markup::new! {
                    h2 { "An error occured. Nobody is sorry"}
                    pre.error { @format!("{:?}", self.0) }
                },
                ..Default::default()
            }
            .respond_to(req)
        }
    }
}

impl Display for MyError {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        self.0.fmt(f)
    }
}
impl From<anyhow::Error> for MyError {
    fn from(err: anyhow::Error) -> MyError {
        MyError(err)
    }
}
impl From<std::fmt::Error> for MyError {
    fn from(err: std::fmt::Error) -> MyError {
        MyError(anyhow::anyhow!("{err}"))
    }
}
impl From<std::io::Error> for MyError {
    fn from(err: std::io::Error) -> Self {
        MyError(anyhow::anyhow!("{err}"))
    }
}
impl From<sled::Error> for MyError {
    fn from(err: sled::Error) -> Self {
        MyError(anyhow::anyhow!("{err}"))
    }
}
impl From<serde_json::Error> for MyError {
    fn from(err: serde_json::Error) -> Self {
        MyError(anyhow::anyhow!("{err}"))
    }
}
impl From<reqwest::Error> for MyError {
    fn from(err: reqwest::Error) -> Self {
        MyError(anyhow::anyhow!("{err}"))
    }
}