use crate::{
    cmd_output,
    cmds::{
        arg::empty::JVEmptyArgument, collect::empty::JVEmptyCollect,
        converter::workspace_operation_error::JVWorkspaceOperationErrorConverter,
        r#in::empty::JVEmptyInput, out::none::JVNoneOutput,
    },
    systems::{
        cmd::{
            cmd_system::{AnyOutput, JVCommandContext},
            errors::{CmdExecuteError, CmdPrepareError},
        },
        helpdoc::helpdoc_viewer,
    },
};
use cmd_system_macros::exec;
use just_enough_vcs::system::workspace::func::create_workspace_here;

pub struct JVWorkspaceInitCommand;
type Cmd = JVWorkspaceInitCommand;
type Arg = JVEmptyArgument;
type In = JVEmptyInput;
type Collect = JVEmptyCollect;

async fn help_str() -> String {
    helpdoc_viewer::display("commands/workspace/init").await;
    String::new()
}

async fn prepare(_args: &Arg, _ctx: &JVCommandContext) -> Result<In, CmdPrepareError> {
    Ok(JVEmptyInput)
}

async fn collect(_args: &Arg, _ctx: &JVCommandContext) -> Result<Collect, CmdPrepareError> {
    Ok(JVEmptyCollect)
}

#[exec]
async fn exec(_input: In, _collect: Collect) -> Result<AnyOutput, CmdExecuteError> {
    create_workspace_here()
        .await
        .map_err(JVWorkspaceOperationErrorConverter::to_exec_error)?;

    cmd_output!(JVNoneOutput => JVNoneOutput)
}

crate::command_template!();