snerd-rust 0.2.0

use chrono::{DateTime, Utc};
use serde::{Deserialize, Serialize};

#[derive(Debug, Serialize, Deserialize, Clone)]
pub struct JobErrorReturn {
    #[serde(rename = "error")]
    pub error_string: String,
    pub retry_worthy: bool,
}

#[derive(Debug, Serialize, Deserialize, Clone)]
pub struct ProgressMessage {
    #[serde(rename = "task_id")]
    pub task_id: String,
    
    #[serde(rename = "data")]
    pub data: String,
}

#[derive(Debug, Serialize, Deserialize, Clone)]
pub struct RetryableTask {
    #[serde(rename = "taskId")]
    pub task_id: String,

    #[serde(rename = "retryCount")]
    pub retry_count: i32,

    #[serde(rename = "maxRetries")]
    pub max_retries: i32,

    #[serde(rename = "retryAfterHours")]
    pub retry_after_hours: f64,

    #[serde(rename = "retryAfterTime")]
    pub retry_after_time: DateTime<Utc>,

    #[serde(rename = "taskData")]
    pub task_data: String,

    #[serde(rename = "taskType")]
    pub task_type: String,

    #[serde(rename = "LastErrorObj", skip_serializing_if = "Option::is_none")]
    pub last_error_obj: Option<String>,

    #[serde(rename = "LastJobError", skip_serializing_if = "Option::is_none")]
    pub last_job_error: Option<JobErrorReturn>,

    #[serde(rename = "rateLimitGroup", skip_serializing_if = "Option::is_none")]
    pub rate_limit_group: Option<String>,

    #[serde(rename = "maxPerMinute", skip_serializing_if = "Option::is_none")]
    pub max_per_minute: Option<i32>,

    #[serde(rename = "autoDedupe", skip_serializing_if = "Option::is_none")]
    pub auto_dedupe: Option<bool>,

    #[serde(rename = "urgencyScore", skip_serializing_if = "Option::is_none")]
    pub urgency_score: Option<f64>,

    #[serde(rename = "payloadHash", skip_serializing_if = "Option::is_none")]
    pub payload_hash: Option<String>,

    #[serde(rename = "deletedAt", skip_serializing_if = "Option::is_none")]
    pub deleted_at: Option<DateTime<Utc>>,

    #[serde(skip, default = "Utc::now")]
    pub created_at: DateTime<Utc>,

    #[serde(skip, default = "Utc::now")]
    pub updated_at: DateTime<Utc>,
}

impl RetryableTask {
    pub fn new(
        task_id: String,
        task_type: String,
        task_data: String,
        max_retries: i32,
        retry_after_hours: f64,
        rate_limit_group: Option<String>,
        max_per_minute: Option<i32>,
        auto_dedupe: Option<bool>,
        urgency_score: Option<f64>,
    ) -> Self {
        let now = Utc::now();
        let payload_hash = if auto_dedupe.unwrap_or(false) {
            use xxhash_rust::xxh64::xxh64;
            let combined = format!("{}{}", task_type, task_data);
            Some(format!("{:x}", xxh64(combined.as_bytes(), 0)))
        } else {
            None
        };
        
        Self {
            task_id,
            task_type,
            task_data,
            max_retries,
            retry_after_hours,
            retry_count: 0,
            retry_after_time: now,
            last_error_obj: None,
            last_job_error: None,
            rate_limit_group,
            max_per_minute,
            auto_dedupe,
            urgency_score,
            payload_hash,
            deleted_at: None,
            created_at: now,
            updated_at: now,
        }
    }

    pub fn mark_deleted(&mut self) {
        self.deleted_at = Some(Utc::now());
        self.updated_at = Utc::now();
    }

    pub fn update_retry_config(&mut self, error_msg: Option<String>) {
        self.retry_count += 1;

        // Calculate next retry time
        let seconds = (self.retry_after_hours * 3600.0) as i64;
        self.retry_after_time = Utc::now() + chrono::Duration::seconds(seconds);

        self.last_error_obj = error_msg.clone();

        if let Some(msg) = error_msg {
            self.last_job_error = Some(JobErrorReturn {
                error_string: msg,
                retry_worthy: true,
            });
        } else {
            self.last_job_error = None;
        }

        self.updated_at = Utc::now();
    }
}

use std::cmp::Ordering;

#[derive(Clone)]
pub struct PriorityTask(pub RetryableTask);

impl PartialEq for PriorityTask {
    fn eq(&self, other: &Self) -> bool {
        self.0.task_id == other.0.task_id
    }
}

impl Eq for PriorityTask {}

impl PartialOrd for PriorityTask {
    fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
        Some(self.cmp(other))
    }
}

impl Ord for PriorityTask {
    fn cmp(&self, other: &Self) -> Ordering {
        let score_a = self.0.urgency_score.unwrap_or(0.0);
        let score_b = other.0.urgency_score.unwrap_or(0.0);
        
        // Reverse order so the max score is popped first
        score_a.partial_cmp(&score_b).unwrap_or(Ordering::Equal)
    }
}