pub mod database;
use std::path::PathBuf;

use clap::{Parser, Subcommand, ValueEnum};
use serde::{Deserialize, Serialize};

use crate::config::cli::database::Database;

#[derive(Parser, Serialize, Deserialize, Default, Debug)]
#[command(version, about, long_about = None)]
/// Real-time transaction monitoring
pub struct Cli {
    /// Sets a custom config file
    #[arg(short, long, value_name = "FILE")]
    #[serde(skip)]
    pub config: Option<PathBuf>,
    #[command(flatten)]
    pub server: Server,
    #[command(subcommand)]
    #[serde(skip)]
    pub command: Option<Commands>,
    #[command(flatten)]
    pub database: Database,
}

#[derive(Subcommand, Debug)]
pub enum Commands {
    /// Generates a default configuration file
    Init {
        /// Path to save the config
        #[arg(short, long, default_value = "warden.toml")]
        path: String,
    },
}

#[derive(Parser, Deserialize, Serialize, Debug)]
#[serde(rename_all = "kebab-case")]
pub struct Server {
    /// Sets the port that the server listens to
    #[arg(short, long, value_name = "PORT", env = "PORT", default_value = "2210")]
    #[arg(value_parser = clap::value_parser!(u16).range(1..=65535))]
    pub port: Option<u16>,
    /// Runtime environment
    #[arg(short, long, value_name = "ENV", default_value = "prod", env = "ENV")]
    pub environment: Option<CliEnvironment>,
    /// Log Level
    #[arg(long, value_name = "LOG_LEVEL", env = "LOG_LEVEL")]
    pub log_level: Option<String>,
    /// Log file directory (defaults to temp_dir)
    #[arg(long, value_name = "DIR", env = "LOGS_DIR")]
    pub log_dir: Option<PathBuf>,
    /// Request timeout duration in seconds
    #[arg(
        long,
        value_name = "TIMEOUT_DURATION",
        env = "TIMEOUT_DURATION_SECS",
        default_value = "5"
    )]
    pub timeout_secs: Option<u64>,
}

impl Default for Server {
    fn default() -> Self {
        Self {
            port: Some(2210),
            environment: Default::default(),
            log_level: Some(format!(
                "{}=debug,tower_http=debug,axum::rejection=trace,sqlx=warn,debug",
                env!("CARGO_CRATE_NAME")
            )),
            log_dir: Some(std::env::temp_dir()),
            timeout_secs: Some(5),
        }
    }
}

#[derive(Deserialize, ValueEnum, Serialize, Clone, Copy, Default, Debug)]
#[serde(rename_all = "lowercase")]
pub enum CliEnvironment {
    #[default]
    Dev,
    Development,
    Prod,
    Production,
}