use std::path::PathBuf;

use clap::{Parser, Subcommand};

#[derive(Parser, Debug)]
#[command(
    name = "archlens",
    about = "Generate architecture diagrams from source code"
)]
pub struct Cli {
    #[command(subcommand)]
    pub command: Option<Command>,

    #[arg(default_value = ".")]
    pub path: PathBuf,

    #[arg(long, default_value = "module")]
    pub level: String,

    #[arg(long, default_value = "mermaid")]
    pub format: String,

    #[arg(long)]
    pub output: Option<String>,

    #[arg(long)]
    pub config: Option<String>,

    #[arg(long)]
    pub scope: Option<String>,

    #[arg(long)]
    pub exclude: Vec<String>,

    #[arg(long)]
    pub include_tests: bool,

    #[arg(long)]
    pub no_weights: bool,

    #[arg(long)]
    pub watch: bool,

    #[arg(long, value_name = "REF")]
    pub since: Option<String>,

    #[arg(long)]
    pub split_by_module: bool,

    #[arg(long)]
    pub strict: bool,

    #[arg(
        long,
        help = "Check if output matches existing file, exit 1 if different"
    )]
    pub check: bool,

    #[arg(short, long, action = clap::ArgAction::Count)]
    pub verbose: u8,
}

#[derive(Subcommand, Debug)]
pub enum Command {
    Init {
        #[arg(default_value = ".")]
        path: PathBuf,
    },
    Diff {
        #[arg(help = "Path to existing diagram file to compare against")]
        existing: PathBuf,
    },
}