use clap::{Args, Parser, Subcommand, ValueEnum};
use clap_complete::Shell;

#[derive(Parser)]
pub struct Cli {
    #[command(subcommand)]
    pub commands: Commands,
}

#[derive(Subcommand)]
pub enum Commands {
    #[command(name = "bcf", about = "Build a configuration")]
    Test { host: Hosts },
    #[command(name = "bpk", about = "Build a package")]
    BuildPkg { package: String },
    #[command(name = "sh", about = "Enter a shell")]
    Shell { package: String },
    #[command(name = "pkdef", about = "Show the definition of a package")]
    PackageDefinition { package: String },
    #[command(name = "optdef", about = "Show the definition of a nixos module")]
    OptionDefinition { option: String },
    #[command(name = "proj", about = "Project related commands")]
    Project(ProjectArgs),
    #[command(name = "compl", about = "Generate completions for a shell")]
    Completions { shell: Shell },
}

#[derive(Args)]
pub struct ProjectArgs {
    #[command(subcommand)]
    pub commands: ProjectCommands,
}

#[derive(Subcommand)]
pub enum ProjectCommands {
    #[command(
        name = "init",
        about = "Initialize a rust project with npins and shell.nix"
    )]
    InitProject { project_name: String },
}

#[derive(ValueEnum, Clone)]
pub enum Hosts {
    #[value(name = "work")]
    Work,
    #[value(name = "vulpes")]
    Vulpes,
    #[value(name = "sand-archives")]
    SandArchives,
}