use std::collections::HashMap;

use serde::Deserialize;

use crate::{ApiToken, ForgeType, Hostname, RepoAlias, ServerRepoConfig, User};

/// Defines a Forge to connect to
/// Maps from `git-next-server.toml` at `forge.{forge}`
#[derive(Clone, Debug, PartialEq, Eq, Deserialize)]
pub struct ForgeConfig {
    pub forge_type: ForgeType,
    pub hostname: String,
    pub user: String,
    pub token: String,
    pub repos: HashMap<String, ServerRepoConfig>,
}
impl ForgeConfig {
    #[allow(dead_code)]
    pub const fn forge_type(&self) -> &ForgeType {
        &self.forge_type
    }

    pub fn hostname(&self) -> Hostname {
        Hostname(self.hostname.clone())
    }

    pub fn user(&self) -> User {
        User(self.user.clone())
    }

    pub fn token(&self) -> ApiToken {
        ApiToken(self.token.clone().into())
    }

    pub fn repos(&self) -> impl Iterator<Item = (RepoAlias, &ServerRepoConfig)> {
        self.repos
            .iter()
            .map(|(name, repo)| (RepoAlias(name.clone()), repo))
    }
}
impl std::fmt::Display for ForgeConfig {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        write!(
            f,
            "{}:{}@{}",
            self.forge_type.to_string().to_lowercase(),
            self.user,
            self.hostname
        )
    }
}