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// Code generated by ndpgen. DO NOT EDIT.
//
// This file contains export wrappers for the TaskWorker capability.
// It is intended for use in Navidrome plugins built with extism-pdk.

use serde::{Deserialize, Serialize};
use base64::Engine as _;
use base64::engine::general_purpose::STANDARD as BASE64;

mod base64_bytes {
    use serde::{self, Deserialize, Deserializer, Serializer};
    use base64::Engine as _;
    use base64::engine::general_purpose::STANDARD as BASE64;

    pub fn serialize<S>(bytes: &Vec<u8>, serializer: S) -> Result<S::Ok, S::Error>
    where
        S: Serializer,
    {
        serializer.serialize_str(&BASE64.encode(bytes))
    }

    pub fn deserialize<'de, D>(deserializer: D) -> Result<Vec<u8>, D::Error>
    where
        D: Deserializer<'de>,
    {
        let s = String::deserialize(deserializer)?;
        BASE64.decode(&s).map_err(serde::de::Error::custom)
    }
}

// Helper functions for skip_serializing_if with numeric types
#[allow(dead_code)]
fn is_zero_i32(value: &i32) -> bool { *value == 0 }
#[allow(dead_code)]
fn is_zero_u32(value: &u32) -> bool { *value == 0 }
#[allow(dead_code)]
fn is_zero_i64(value: &i64) -> bool { *value == 0 }
#[allow(dead_code)]
fn is_zero_u64(value: &u64) -> bool { *value == 0 }
#[allow(dead_code)]
fn is_zero_f32(value: &f32) -> bool { *value == 0.0 }
#[allow(dead_code)]
fn is_zero_f64(value: &f64) -> bool { *value == 0.0 }
/// TaskExecuteRequest is the request provided when a task is ready to execute.
#[derive(Debug, Clone, Default, Serialize, Deserialize)]
#[serde(rename_all = "camelCase")]
pub struct TaskExecuteRequest {
    /// QueueName is the name of the queue this task belongs to.
    #[serde(default)]
    pub queue_name: String,
    /// TaskID is the unique identifier for this task.
    #[serde(default)]
    pub task_id: String,
    /// Payload is the opaque data provided when the task was enqueued.
    #[serde(default)]
    #[serde(with = "base64_bytes")]
    pub payload: Vec<u8>,
    /// Attempt is the current attempt number (1-based: first attempt = 1).
    #[serde(default)]
    pub attempt: i32,
}

/// Error represents an error from a capability method.
#[derive(Debug)]
pub struct Error {
    pub message: String,
}

impl std::fmt::Display for Error {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        write!(f, "{}", self.message)
    }
}

impl std::error::Error for Error {}

impl Error {
    pub fn new(message: impl Into<String>) -> Self {
        Self { message: message.into() }
    }
}

/// TaskExecuteProvider provides the OnTaskExecute function.
pub trait TaskExecuteProvider {
    fn on_task_execute(&self, req: TaskExecuteRequest) -> Result<String, Error>;
}

/// Register the on_task_execute export.
/// This macro generates the WASM export function for this method.
#[macro_export]
macro_rules! register_taskworker_task_execute {
    ($plugin_type:ty) => {
        #[extism_pdk::plugin_fn]
        pub fn nd_task_execute(
            req: extism_pdk::Json<$crate::taskworker::TaskExecuteRequest>
        ) -> extism_pdk::FnResult<extism_pdk::Json<String>> {
            let plugin = <$plugin_type>::default();
            let result = $crate::taskworker::TaskExecuteProvider::on_task_execute(&plugin, req.into_inner())?;
            Ok(extism_pdk::Json(result))
        }
    };
}