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use std::ops::{Deref, DerefMut};
use std::path::PathBuf;

use clap::Parser;

use crate::common::CommonOptions;

/// Compile a local package and all of its dependencies
#[derive(Clone, Debug, Default, Parser)]
#[clap(setting = clap::AppSettings::DeriveDisplayOrder, after_help = "Run `cargo help build` for more detailed information.")]
pub struct Build {
    #[clap(flatten)]
    pub common: CommonOptions,

    /// Package to build (see `cargo help pkgid`)
    #[clap(
        short = 'p',
        long = "package",
        value_name = "SPEC",
        multiple_values = true
    )]
    pub packages: Vec<String>,

    /// Build all packages in the workspace
    #[clap(long)]
    pub workspace: bool,

    /// Exclude packages from the build
    #[clap(long, value_name = "SPEC", multiple_values = true)]
    pub exclude: Vec<String>,

    /// Alias for workspace (deprecated)
    #[clap(long)]
    pub all: bool,

    /// Build only this package's library
    #[clap(long)]
    pub lib: bool,

    /// Build only the specified binary
    #[clap(long, value_name = "NAME", multiple_values = true)]
    pub bin: Vec<String>,

    /// Build all binaries
    #[clap(long)]
    pub bins: bool,

    /// Build only the specified example
    #[clap(long, value_name = "NAME", multiple_values = true)]
    pub example: Vec<String>,

    /// Build all examples
    #[clap(long)]
    pub examples: bool,

    /// Build only the specified test target
    #[clap(long, value_name = "NAME", multiple_values = true)]
    pub test: Vec<String>,

    /// Build all tests
    #[clap(long)]
    pub tests: bool,

    /// Build only the specified bench target
    #[clap(long, value_name = "NAME", multiple_values = true)]
    pub bench: Vec<String>,

    /// Build all benches
    #[clap(long)]
    pub benches: bool,

    /// Build all targets
    #[clap(long)]
    pub all_targets: bool,

    /// Copy final artifacts to this directory (unstable)
    #[clap(long, value_name = "PATH", parse(from_os_str))]
    pub out_dir: Option<PathBuf>,

    /// Output the build plan in JSON (unstable)
    #[clap(long)]
    pub build_plan: bool,

    /// Outputs a future incompatibility report at the end of the build (unstable)
    #[clap(long)]
    pub future_incompat_report: bool,
}

impl Deref for Build {
    type Target = CommonOptions;

    fn deref(&self) -> &Self::Target {
        &self.common
    }
}

impl DerefMut for Build {
    fn deref_mut(&mut self) -> &mut Self::Target {
        &mut self.common
    }
}