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use std::any::Any;

use crate::{args::FeatureArgs, config::Config, Result, Run, SubcommandRun};

/// Arguments definition of the `lint` subcommand.
#[cfg_attr(doc, doc = include_str!("../../doc/cargo-xtask-lint.md"))]
#[derive(Debug, Clone, Default, clap::Args)]
#[non_exhaustive]
pub struct Lint {
    /// Features to run the cargo commands with
    #[clap(flatten)]
    pub feature_args: FeatureArgs,
}

impl Run for Lint {
    fn run(&self, config: &Config) -> Result<()> {
        self.run(config)
    }

    fn to_subcommands(&self) -> Option<SubcommandRun> {
        Some(self.to_subcommands())
    }

    fn into_any(self: Box<Self>) -> Box<dyn Any> {
        self
    }

    fn as_any(&self) -> &dyn Any {
        self
    }

    fn as_any_mut(&mut self) -> &mut dyn Any {
        self
    }
}

impl Lint {
    /// Returns a list of all subcommands to run.
    pub fn subcommands(&self) -> Vec<Box<dyn Run>> {
        let Self { feature_args } = self;
        let _ = feature_args.clone(); // supress unused-variables warning

        vec![
            // cargo fmt --check
            #[cfg(feature = "subcommand-fmt")]
            Box::new(super::Fmt {
                env_args: Default::default(),
                package_args: feature_args.package_args.clone(),
                extra_options: ["--check"].into_iter().map(String::from).collect(),
            }),
            // cargo clippy -- -D warnings
            #[cfg(feature = "subcommand-clippy")]
            Box::new(super::Clippy {
                env_args: Default::default(),
                feature_args: feature_args.clone(),
                extra_options: ["--all-targets", "--", "-D", "warnings"]
                    .into_iter()
                    .map(String::from)
                    .collect(),
            }),
            // RUSTDOCFLAGS="-D warnings" cargo doc
            #[cfg(feature = "subcommand-doc")]
            Box::new(super::Doc {
                env_args: crate::args::EnvArgs::new([("RUSTDOCFLAGS", "-D warnings")]),
                package_args: feature_args.package_args.clone(),
                extra_options: ["--no-deps"].into_iter().map(String::from).collect(),
            }),
            #[cfg(feature = "subcommand-docsrs")]
            Box::new(super::Docsrs {
                env_args: crate::args::EnvArgs::new([("RUSTDOCFLAGS", "-D warnings")]),
                package_args: feature_args.package_args.clone(),
                default_target: false,
                all_targets: false,
                extra_options: vec![],
            }),
            // cargo sync-rdme --check
            #[cfg(feature = "subcommand-sync-rdme")]
            Box::new(super::SyncRdme {
                env_args: Default::default(),
                package_args: feature_args.package_args.clone(),
                extra_options: ["--check"].into_iter().map(String::from).collect(),
            }),
            // cargo udeps
            #[cfg(feature = "subcommand-udeps")]
            Box::new(super::Udeps {
                env_args: Default::default(),
                feature_args: feature_args.clone(),
                extra_options: vec![],
            }),
        ]
    }

    /// Returns the subcommands that this command will run.
    pub fn to_subcommands(&self) -> SubcommandRun {
        SubcommandRun::new(self.subcommands())
    }

    /// Runs the `lint` subcommand.
    #[tracing::instrument(name = "lint", skip_all, err)]
    pub fn run(&self, config: &Config) -> Result<()> {
        self.to_subcommands().run(config)
    }
}