use askama::Template;
use serde::{Deserialize, Serialize};

use crate::User;

pub trait MaybeOptionalUser {
    fn has_optional_user() -> bool {
        false
    }
}

#[derive(Debug, Default, Template, Deserialize, Serialize, PartialEq, Eq)]
#[template(path = "signup.html")]
pub struct CreateUser {
    pub username: String,
    pub displayname: Option<String>,
    pub email: Option<String>,
    pub password: String,
    pub pw_verify: String,
    user: Option<User>,
}
impl MaybeOptionalUser for CreateUser {
    fn has_optional_user() -> bool {
        true
    }
}

#[derive(Debug, Clone, Template, Default, Deserialize, Serialize, PartialEq, Eq)]
#[template(path = "signup_success.html")]
pub struct CreateUserSuccess {
    pub user: User,
}
impl MaybeOptionalUser for CreateUserSuccess {
    fn has_optional_user() -> bool {
        false
    }
}

#[derive(Debug, Default, Template, Deserialize, Serialize, PartialEq, Eq)]
#[template(path = "login_post.html")]
pub struct LoginPost {
    pub username: String,
    pub password: String,
}
impl MaybeOptionalUser for LoginPost {
    fn has_optional_user() -> bool {
        false
    }
}

#[derive(Debug, Default, Template, Deserialize, Serialize, PartialEq, Eq)]
#[template(path = "login_get.html")]
pub struct LoginGet {
    pub username: String,
    pub password: String,
}
impl MaybeOptionalUser for LoginGet {
    fn has_optional_user() -> bool {
        false
    }
}

#[derive(Debug, Default, Template, Deserialize, Serialize, PartialEq, Eq)]
#[template(path = "logout_get.html")]
pub struct LogoutGet;
impl MaybeOptionalUser for LogoutGet {
    fn has_optional_user() -> bool {
        false
    }
}

#[derive(Debug, Default, Template, Deserialize, Serialize, PartialEq, Eq)]
#[template(path = "logout_post.html")]
pub struct LogoutPost;
impl MaybeOptionalUser for LogoutPost {
    fn has_optional_user() -> bool {
        false
    }
}

#[derive(Debug, Default, Template, Deserialize, Serialize, PartialEq, Eq)]
#[template(path = "index.html")]
pub struct MainPage {
    pub user: Option<User>,
}
impl MaybeOptionalUser for MainPage {
    fn has_optional_user() -> bool {
        true
    }
}