// file: kb-app-demo-desktop/src/demo_execution_metadata.rs
// version: 16

//! Shared desktop contracts for metadata execution demos.

use tauri::Emitter; // rust-rules: trait-import

/// UI-safe progress event shared by Metadata execution workflows.
#[derive(Clone, Debug, Eq, PartialEq, serde::Deserialize, serde::Serialize, ts_rs::TS)]
#[serde(rename_all = "camelCase")]
#[ts(
    export,
    export_to = "../frontend/ts/bindings/kb_app_demo_desktop/demo_execution_metadata/DemoExecutionMetadataProgressPayload.ts"
)]
pub(crate) struct DemoExecutionMetadataProgressPayload {
    /// RFC3339 event timestamp.
    pub timestamp: std::string::String,
    /// Stable lowercase log level.
    pub level: std::string::String,
    /// Stable execution stage.
    pub stage: std::string::String,
    /// Operator-visible message.
    pub message: std::string::String,
    /// Optional transaction signature.
    pub signature: std::option::Option<std::string::String>,
}

/// Metadata-window observer shared by Metaplex and Solana Program Metadata workflows.
pub(crate) struct DemoExecutionMetadataObserver<'a> {
    /// Tauri application handle used for targeted progress events.
    pub(crate) app_handle: tauri::AppHandle,
    /// Shared cooperative cancellation flag.
    pub(crate) cancel_requested: &'a std::sync::atomic::AtomicBool,
}

impl crate::DemoExecutionMetadataObserver<'_> {
    fn emit(
        &self,
        timestamp: std::string::String,
        level: &str,
        stage: &str,
        message: std::string::String,
        signature: std::option::Option<std::string::String>,
    ) {
        let payload = crate::DemoExecutionMetadataProgressPayload {
            timestamp,
            level: level.to_string(),
            stage: stage.to_string(),
            message,
            signature,
        };
        let emit_result = self.app_handle.emit_to(
            "demo_execution_metadata",
            "demo-execution-metadata-progress",
            payload,
        );
        if let std::result::Result::Err(error) = emit_result {
            tracing::warn!(
                target: crate::TRACING_TARGET,
                action = "emit_metadata_execution_progress",
                error = %error,
                "cannot emit Metadata execution progress"
            );
        }
    }

    fn cancelled(&self) -> bool {
        return self.cancel_requested.load(std::sync::atomic::Ordering::Relaxed);
    }
}

impl ks_pipeline::BackfillObserver for crate::DemoExecutionMetadataObserver<'_> {
    fn on_progress(&self, event: &ks_pipeline::BackfillProgressEvent) {
        self.emit(
            event.timestamp.clone(),
            event.level.code(),
            "canonical_insert",
            event.message.clone(),
            std::option::Option::None,
        );
    }

    fn is_cancelled(&self) -> bool {
        return self.cancelled();
    }
}

impl ks_pipeline::CoreExtractionObserver for crate::DemoExecutionMetadataObserver<'_> {
    fn on_progress(&self, event: &ks_pipeline::CoreExtractionProgressEvent) {
        self.emit(
            event.timestamp.clone(),
            event.level.code(),
            "core_extraction",
            event.message.clone(),
            std::option::Option::None,
        );
    }

    fn is_cancelled(&self) -> bool {
        return self.cancelled();
    }
}

impl ks_pipeline::DecodeReplayObserver for crate::DemoExecutionMetadataObserver<'_> {
    fn on_progress(&self, event: &ks_pipeline::DecodeReplayProgressEvent) {
        self.emit(
            event.timestamp.clone(),
            event.level.code(),
            "decode_replay",
            event.message.clone(),
            std::option::Option::None,
        );
    }

    fn is_cancelled(&self) -> bool {
        return self.cancelled();
    }
}

impl ks_pipeline_demo_scenarios::SolanaExecutionObserver
    for crate::DemoExecutionMetadataObserver<'_>
{
    fn on_execution_progress(
        &self,
        event: &ks_pipeline_demo_scenarios::SolanaExecutionProgressEvent,
    ) {
        self.emit(
            event.timestamp.clone(),
            event.level.code(),
            event.stage.as_str(),
            event.message.clone(),
            event.signature.clone(),
        );
    }

    fn is_execution_cancelled(&self) -> bool {
        return self.cancelled();
    }
}

/// Returns Devnet profile options shared by the Metadata execution panel.
pub(crate) fn demo_execution_metadata_options(
    state: tauri::State<'_, crate::AppState>,
) -> crate::DemoExecutionSolanaCoreOptionsPayload {
    return crate::demo_execution_solana_core_options(state);
}

#[cfg(test)]
mod tests {
    #[test]
    fn metadata_frontend_listens_to_the_metadata_specific_progress_event() {
        let source = std::include_str!("../frontend/ts/demo_execution_metadata.ts");
        assert!(source.contains("demo-execution-metadata-progress"));
        assert!(!source.contains(
            "listen<DemoExecutionMetadataProgressPayload>(\"demo-execution-solana-core-progress\""
        ));
    }
}