use anyhow::{bail, Result};
use debug_ignore::DebugIgnore;
use envconfig::Envconfig;
use lazy_static::lazy_static;
use url::Url;

#[derive(Envconfig, Debug)]
pub struct Config {
    #[envconfig(from = "PAGES_DB_URL")]
    pub db_url: DebugIgnore<String>,

    #[envconfig(from = "PAGES_AMQP_URL")]
    pub amqp_url: DebugIgnore<String>,

    #[envconfig(from = "PAGES_USER")]
    pub user: String,

    #[envconfig(from = "PAGES_PASSWORD")]
    pub password: DebugIgnore<String>,

    #[envconfig(from = "PAGES_GITEA_URL")]
    pub gitea_url: String,

    #[envconfig(from = "PAGES_GITEA_API_TOKEN")]
    pub gitea_api_token: DebugIgnore<String>,

    #[envconfig(from = "PAGES_GITEA_SECRET")]
    pub gitea_secret: DebugIgnore<String>,

    #[envconfig(from = "PAGES_GITEA_PULL_URL")]
    pub gitea_pull_url: Url,

    #[envconfig(from = "PAGES_GITEA_PULL_BRANCH")]
    pub gitea_pull_branch: String,

    #[envconfig(from = "PAGES_NGINX_CONFIG_DIR")]
    pub nginx_config_dir: String,

    #[envconfig(from = "PAGES_REPOS_DIR")]
    pub repos_dir: String,

    #[envconfig(from = "PAGES_DOMAIN")]
    pub domain: String,
}

pub const PASSWORD_MIN_LEN: usize = 64;

impl Config {
    pub fn validate(&self) -> Result<()> {
        if self.password.len() < PASSWORD_MIN_LEN {
            bail!(
                "Password is too short: {} < {}",
                self.password.len(),
                PASSWORD_MIN_LEN
            );
        }

        Ok(())
    }
}

#[derive(Debug)]
pub struct DynConfig {
    pub cloudflare_zone_name: String,
}

lazy_static! {
    pub static ref CONFIG: Config = Config::init_from_env().unwrap();
}