cargo-apk 0.8.0

use cargo_apk::{ApkBuilder, Error};
use cargo_subcommand::Subcommand;
use std::process::Command;

fn main() -> anyhow::Result<()> {
    env_logger::init();
    let args = std::env::args();
    let cmd = Subcommand::new(args, "apk", |_, _| Ok(false)).map_err(Error::Subcommand)?;
    let builder = ApkBuilder::from_subcommand(&cmd)?;

    match cmd.cmd() {
        "check" | "c" => builder.check()?,
        "build" | "b" => {
            for artifact in cmd.artifacts() {
                builder.build(artifact)?;
            }
        }
        "run" | "r" => {
            anyhow::ensure!(cmd.artifacts().len() == 1, Error::invalid_args());
            builder.run(&cmd.artifacts()[0])?;
        }
        "--" => {
            builder.default()?;
        }
        "gdb" => {
            anyhow::ensure!(cmd.artifacts().len() == 1, Error::invalid_args());
            builder.gdb(&cmd.artifacts()[0])?;
        }
        "help" => {
            if let Some(arg) = cmd.args().get(0) {
                match &**arg {
                    "build" | "b" | "check" | "c" | "run" | "r" | "test" | "t" | "doc" => {
                        run_cargo(&cmd)?
                    }
                    "gdb" => print_gdb_help(),
                    _ => print_help(),
                }
            } else {
                print_help();
            }
        }
        _ => print_help(),
    }

    Ok(())
}

fn run_cargo(cmd: &Subcommand) -> Result<(), Error> {
    Command::new("cargo")
        .arg(cmd.cmd())
        .args(cmd.args())
        .status()?;
    Ok(())
}

fn print_help() {
    println!(
        r#"cargo-apk
Helps cargo build apk's for android

USAGE:
    cargo apk [SUBCOMMAND]

SUBCOMMAND:
    check, c    Checks that the current package builds without creating an apk
    build, b    Compiles the current package and creates an apk
    run, r      Run a binary or example of the local package
    gdb         Start a gdb session attached to an adb device with symbols loaded
"#
    );
}

fn print_gdb_help() {
    println!(
        r#"cargo-apk gdb
Start a gdb session attached to an adb device with symbols loaded

USAGE:
    cargo apk gdb
"#
    );
}