use crate::configuration::Configuration;
use crate::remote::remove;
use std::io::Result;

pub struct RemoveRemote;

impl RemoveRemote {
    pub fn new() -> Self {
        RemoveRemote
    }
}

impl super::Command for RemoveRemote {
    fn before_dependencies(&self) -> Vec<Box<dyn super::Command>> {
        vec![]
    }

    fn execute(&self, _: Option<&String>, configuration: &Configuration, _: &str) -> Result<()> {
        remove(&configuration.remote_config)
    }

    fn after_dependencies(&self) -> Vec<Box<dyn super::Command>> {
        vec![]
    }

    fn command(&self) -> &'static str {
        "remove-remote"
    }

    fn help(&self) -> &'static str {
        "\t\t\tRemoves the git remote"
    }
}

#[cfg(test)]
mod tests {

    use super::*;
    use crate::command::Command;
    use crate::configuration::Configuration;

    use test_utilities::*;

    #[test]
    fn test_remove_remote_command() {
        let remove_remote = RemoveRemote::new();

        // Create all directories
        let test_dir = setup_test_dir();
        let remote_config = test_dir.join("blogremote");
        create_test_file(&remote_config, "boop");
        assert!(remote_config.exists());

        let mut configuration = Configuration::new();
        configuration.remote_config = remote_config.clone();
        remove_remote
            .execute(None, &configuration, "")
            .expect("Could not call remove_remote");
        assert!(!remote_config.exists());
        cleanup_test_dir(&test_dir);
    }

    #[test]
    fn remove_remote_before_dependencies() {
        let remove_remote = RemoveRemote::new();
        let dependencies = remove_remote.before_dependencies();

        assert_eq!(dependencies.len(), 0);
    }

    #[test]
    fn remove_remote_after_dependencies() {
        let remove_remote = RemoveRemote::new();
        let dependencies = remove_remote.after_dependencies();

        assert_eq!(dependencies.len(), 0);
    }

    // These two tests feel pointless but I'm doing it for the coverage :p

    #[test]
    fn remove_remote_command_output() {
        let remove_remote = RemoveRemote::new();
        remove_remote.command();
    }

    #[test]
    fn remove_remote_help_output() {
        let remove_remote = RemoveRemote::new();
        remove_remote.help();
    }
}