supabase-plus 0.6.0

use std::fs::File;

use crate::errors::NoWay;

use super::prelude::*;

use anyhow::Context;
use clap::{CommandFactory, ValueEnum};

#[async_trait]
impl CliSubcommand for Completions {
    async fn run(self: Box<Self>) -> anyhow::Result<()> {
        let shell_name = self
            .shell
            .to_possible_value()
            .no_way_because("already deserialized by clap")
            .get_name()
            .to_string();

        if shell_name != "zsh" || self.never_write {
            self.shell
                .generate(&mut Cli::command(), &mut std::io::stdout());

            return Ok(());
        }

        let completions_path = {
            let mut home = homedir::my_home()
                .ok()
                .and_then(|option| option)
                .context("No home directory detected")?;

            let directory = format!(".{shell_name}/completion");

            home.push(directory);

            home
        };

        if let Err(error) = cmd!("mkdir -p {}", &completions_path.to_string_lossy()).run() {
            anyhow::bail!(
                "Error creating completion directory `{}`\n> {:?}",
                completions_path.to_string_lossy(),
                error
            );
        };

        let file_path = completions_path.join("_sbp");

        let mut file = File::create(&file_path).context("Error creating file")?;
        self.shell.generate(&mut Cli::command(), &mut file);

        file.sync_all().context("Error closing completions file")?;

        println!(
            r#"Completion file correctly written to `{}`.
In order to use it, you will also need to add:

fpath=($fpath ~/.zsh/completion)

to your ~/.zshrc file if you haven't done that so far.

Remember to source .zshrc or restart your shell."#,
            file_path.to_string_lossy()
        );

        Ok(())
    }
}