use crate::imgur::ImgurError;
use serenity::prelude::SerenityError;
use std::fmt::{Display, Formatter};
use tera::Error;

pub type Result<T> = std::result::Result<T, WoxlfError>;

#[derive(Debug)]
pub enum WoxlfError {
    IOError(std::io::Error),
    GameStateParseError(toml::de::Error),
    GameStateSerializeError(toml::ser::Error),
    DurationParseError,
    SerenityError(serenity::Error),
    DiscordIdParseError(String),
    GameNotInProgress,
    HostWebhookError,
    ImgurError(ImgurError),
    RanOutOfCodenames,
    TemplateError(tera::Error),
    RanOutOfProfilePics,
    UnsupportedMsgMedium,
}

impl std::error::Error for WoxlfError {}

impl Display for WoxlfError {
    fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
        let msg = match self {
            WoxlfError::IOError(e) => format!("IO Error: {}", e),
            WoxlfError::GameStateParseError(e) => format!("Game State Parse Error: {}", e),
            WoxlfError::GameStateSerializeError(e) => format!("Game State Serialize Error: {}", e),
            WoxlfError::DurationParseError => "Unable to parse duration".to_string(),
            WoxlfError::SerenityError(e) => format!("Serenity error: {}", e),
            WoxlfError::DiscordIdParseError(e) => format!("Unable to parse player id {}", e),
            WoxlfError::GameNotInProgress => "A game is not currently in progress".to_string(),
            WoxlfError::HostWebhookError => "Unable to communicate to the host webhook".to_string(),
            WoxlfError::ImgurError(err) => format!("Imgur module error: {}", err),
            WoxlfError::RanOutOfCodenames => {
                "Ran out of codename combinations, add more first/last names to the config"
                    .to_string()
            }
            WoxlfError::TemplateError(e) => format!("Template error: {}", e),
            WoxlfError::RanOutOfProfilePics => "Ran out of user profile pics".to_string(),
            WoxlfError::UnsupportedMsgMedium => {
                "Tried to send a message over an unsupported medium".to_string()
            }
        };

        write!(f, "Woxlf Error: {}", msg)
    }
}

impl From<SerenityError> for WoxlfError {
    fn from(err: SerenityError) -> Self {
        Self::SerenityError(err)
    }
}

impl From<std::io::Error> for WoxlfError {
    fn from(err: std::io::Error) -> Self {
        Self::IOError(err)
    }
}

impl From<toml::de::Error> for WoxlfError {
    fn from(err: toml::de::Error) -> Self {
        Self::GameStateParseError(err)
    }
}

impl From<toml::ser::Error> for WoxlfError {
    fn from(err: toml::ser::Error) -> Self {
        Self::GameStateSerializeError(err)
    }
}

impl From<ImgurError> for WoxlfError {
    fn from(err: ImgurError) -> Self {
        Self::ImgurError(err)
    }
}

impl From<tera::Error> for WoxlfError {
    fn from(err: Error) -> Self {
        Self::TemplateError(err)
    }
}