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use crate::{BarCloseMethod, IsBar};


/// Spinny spinning spinner
pub struct Spinni {
    tick_strings: Vec<char>,
    current_char: usize,
    args: SpinniArgs,
    job_name: String,
    done: bool,
}

impl crate::isbar::IsBar for Spinni {
    type Progress = String;
    type Args = SpinniArgs;

    fn new(job_name: String, args: Self::Args) -> Self
    where
            Self: Sized {
        Self {
            tick_strings: "⠁⠁⠉⠙⠚⠒⠂⠂⠒⠲⠴⠤⠄⠄⠤⠠⠠⠤⠦⠖⠒⠐⠐⠒⠓⠋⠉⠈⠈ "
                .chars()
                .collect(),
            current_char: 0,
            args,
            job_name,
            done: false,
        }
    }

    fn done(&mut self) {
        self.done = true;
    }

    fn is_done(&self) -> bool {
        self.done
    }

    /// In this case, it just updates the current task name and ticks it,
    /// only update name if progress is Some
    fn set_progress(&mut self, progress: Self::Progress) {
        self.args.current_task_name = progress;
    }

    fn set_name(&mut self, job_name: String) {
        self.job_name = job_name;
    }

    fn close_method(&self) -> crate::BarCloseMethod {
        self.args.close_method
    }

    fn display(&mut self) -> String {
        if self.current_char == self.tick_strings.len()-1 {
            self.current_char = 0;
        } else {
            self.current_char += 1;
        }
        let spini_step = self.tick_strings[self.current_char];
        format!("{} {}: {}", spini_step, self.job_name, self.args.current_task_name)
    }
}

pub struct SpinniArgs {
    current_task_name: String,
    close_method: BarCloseMethod,
}

pub struct SpinniBuilder {
    job_name: String,
    task_name: String,
    close_method: BarCloseMethod,
}

impl SpinniBuilder {
    pub fn new(name: String) -> Self {
        Self {
            job_name: name,
            task_name: "".into(),
            close_method: BarCloseMethod::LeaveBehind,
        }
    }

    pub fn task_name(mut self, task_name: String) -> Self {
        self.task_name = task_name;
        self
    }

    pub fn close_method(mut self, close_method: BarCloseMethod) -> Self {
        self.close_method = close_method;
        self
    }

    pub fn build(self) -> Spinni {
        Spinni::new(self.job_name, SpinniArgs {current_task_name: self.task_name, close_method: self.close_method})
    }
}