use serde::Serialize;
use std::io;

mod sha256;
pub use sha256::Sha256;

mod date;
pub use date::Date;

mod texture_format;
pub use texture_format::TextureFormat;

#[derive(Eq, PartialEq, Clone, Serialize, Deserialize, Debug, Hash)]
pub struct Texture {
    pub id: String,
    pub name: String,
    pub tags: Vec<String>,
    pub format: TextureFormat,
    pub added_on: Date,
    pub resolution: (u64, u64),
    pub texture_hash: Sha256,
}

pub enum ReplaceTextureStatus {
    /// Done.
    Ok,

    /// Call Again With Texture Binary
    NeedTextureData(Sha256),
}

pub type ProtocolResult<T> = Result<T, ProtocolError>;
pub enum ProtocolError {
    BadRequest(String),
    FileNotFound(String),
    Conflict(String),
    InternalServerError(std::io::Error),
    NotImplemented,
}

impl From<io::Error> for ProtocolError {
    fn from(err: io::Error) -> Self {
        if err.kind() == io::ErrorKind::NotFound {
            ProtocolError::FileNotFound("File Not Found!".to_string())
        } else {
            ProtocolError::InternalServerError(err)
        }
    }
}