use serde::{Deserialize, Serialize};

use crate::models::task_event::TaskEvent;

#[derive(Clone, Debug, Default, Deserialize, Serialize)]
#[serde(rename_all = "PascalCase")]
pub struct TaskState {
    pub state: TaskStates,
    pub failed: Option<bool>,
    pub restarts: Option<i32>,
    pub last_restart: Option<String>,
    pub started_at: Option<String>,
    pub finished_at: Option<String>,
    pub events: Option<Vec<TaskEvent>>,
}

impl TaskState {
    pub fn last_exit_code(&self) -> Option<i32> {
        match &self.events {
            Some(events) => {
                for event in events.iter().rev() {
                    match event.exit_code() {
                        Some(exit_code) => return Some(exit_code),
                        None => continue,
                    }
                }
            }
            None => return None,
        }

        None
    }

    pub fn first_exit_code(&self) -> Option<i32> {
        match &self.events {
            Some(events) => {
                for event in events {
                    match event.exit_code() {
                        Some(exit_code) => return Some(exit_code),
                        None => continue,
                    }
                }
            }
            None => return None,
        }

        None
    }
}

#[derive(Clone, Debug, Default, Deserialize, Serialize)]
pub enum TaskStates {
    #[default]
    None,
    #[serde(rename = "pending")]
    Pending,
    #[serde(rename = "running")]
    Running,
    #[serde(rename = "dead")]
    Dead,
}