garmin-cli 2.1.0

//! Activity commands for garmin-cli

use crate::client::GarminClient;
use crate::config::CredentialStore;
use crate::error::{GarminError, Result};
use crate::models::ActivitySummary;
use std::path::Path;

use super::auth::refresh_token;

/// List activities
pub async fn list(limit: u32, start: u32, profile: Option<String>) -> Result<()> {
    let store = CredentialStore::new(profile)?;
    let (_, oauth2) = refresh_token(&store).await?;

    let client = GarminClient::new();
    let path = format!(
        "/activitylist-service/activities/search/activities?limit={}&start={}",
        limit, start
    );

    let activities: Vec<ActivitySummary> = client.get_json(&oauth2, &path).await?;

    if activities.is_empty() {
        println!("No activities found.");
        return Ok(());
    }

    // Print header
    println!(
        "{:<12} {:<10} {:<15} {:>10} {:>12} {:>8}",
        "ID", "Date", "Type", "Distance", "Duration", "HR"
    );
    println!("{}", "-".repeat(75));

    // Print each activity
    for activity in &activities {
        let distance = activity
            .distance_km()
            .map(|d| format!("{:.2} km", d))
            .unwrap_or_else(|| "-".to_string());

        let hr = activity
            .average_hr
            .map(|h| format!("{:.0}", h))
            .unwrap_or_else(|| "-".to_string());

        println!(
            "{:<12} {:<10} {:<15} {:>10} {:>12} {:>8}",
            activity.activity_id,
            activity.date(),
            truncate(&activity.type_key(), 15),
            distance,
            activity.duration_formatted(),
            hr
        );
    }

    println!("\nShowing {} activities", activities.len());

    Ok(())
}

/// Get activity details
pub async fn get(id: u64, profile: Option<String>) -> Result<()> {
    let store = CredentialStore::new(profile)?;
    let (_, oauth2) = refresh_token(&store).await?;

    let client = GarminClient::new();
    let path = format!("/activity-service/activity/{}", id);

    let activity: serde_json::Value = client.get_json(&oauth2, &path).await?;

    // Pretty print the JSON
    println!("{}", serde_json::to_string_pretty(&activity)?);

    Ok(())
}

/// Print an activity's note. Garmin's mobile app calls this a "note"; the API
/// stores it as the top-level `description` field. Prints only the note text to
/// stdout (script-friendly), or nothing when no note is set.
pub async fn note_get(id: u64, profile: Option<String>) -> Result<()> {
    let store = CredentialStore::new(profile)?;
    let (_, oauth2) = refresh_token(&store).await?;

    let client = GarminClient::new();
    let path = format!("/activity-service/activity/{}", id);

    let activity: serde_json::Value = client.get_json(&oauth2, &path).await?;

    if let Some(note) = activity.get("description").and_then(|v| v.as_str()) {
        let note = note.trim();
        if !note.is_empty() {
            println!("{}", note);
        }
    }

    Ok(())
}

/// Set an activity's note (Garmin activity `description`).
pub async fn note_set(id: u64, note: &str, profile: Option<String>) -> Result<()> {
    set_description(id, note, profile).await
}

/// Clear an activity's note (Garmin activity `description`).
pub async fn note_clear(id: u64, profile: Option<String>) -> Result<()> {
    set_description(id, "", profile).await
}

/// PUT the activity description. An empty string clears the note.
async fn set_description(id: u64, description: &str, profile: Option<String>) -> Result<()> {
    let store = CredentialStore::new(profile)?;
    let (_, oauth2) = refresh_token(&store).await?;

    let client = GarminClient::new();
    let path = format!("/activity-service/activity/{}", id);
    let body = serde_json::json!({
        "activityId": id,
        "description": description,
    });

    client.put_json(&oauth2, &path, &body).await?;

    if description.is_empty() {
        println!("Cleared note for activity {}.", id);
    } else {
        println!("Updated note for activity {}.", id);
    }

    Ok(())
}

/// Download activity file
pub async fn download(
    id: u64,
    format: &str,
    output: Option<String>,
    profile: Option<String>,
) -> Result<()> {
    let store = CredentialStore::new(profile)?;
    let (_, oauth2) = refresh_token(&store).await?;

    let client = GarminClient::new();

    let format = format.to_lowercase();
    let (path, extension) = download_endpoint(id, &format)?;

    println!(
        "Downloading activity {} as {}...",
        id,
        format.to_uppercase()
    );

    let bytes = client.download(&oauth2, &path).await?;

    // Determine output path
    let output_path = output.unwrap_or_else(|| format!("activity_{}.{}", id, extension));

    // Write to file
    tokio::fs::write(&output_path, &bytes)
        .await
        .map_err(|e| GarminError::invalid_response(format!("Failed to write file: {}", e)))?;

    println!("Saved to: {}", output_path);
    println!("Size: {} bytes", bytes.len());

    Ok(())
}

fn download_endpoint(id: u64, format: &str) -> Result<(String, &'static str)> {
    match format {
        "fit" => Ok((
            format!("/download-service/files/activity/{}", id),
            "fit.zip",
        )),
        "gpx" => Ok((
            format!("/download-service/export/gpx/activity/{}", id),
            "gpx",
        )),
        "tcx" => Ok((
            format!("/download-service/export/tcx/activity/{}", id),
            "tcx",
        )),
        "kml" => Ok((
            format!("/download-service/export/kml/activity/{}", id),
            "kml",
        )),
        _ => Err(GarminError::invalid_response(format!(
            "Unknown format: {}. Supported: fit, gpx, tcx, kml",
            format
        ))),
    }
}

/// Upload activity file
pub async fn upload(file: &str, profile: Option<String>) -> Result<()> {
    let store = CredentialStore::new(profile)?;
    let (_, oauth2) = refresh_token(&store).await?;

    let file_path = Path::new(file);

    if !file_path.exists() {
        return Err(GarminError::invalid_response(format!(
            "File not found: {}",
            file
        )));
    }

    let client = GarminClient::new();

    println!("Uploading {}...", file);

    let result = client
        .upload(&oauth2, "/upload-service/upload/.fit", file_path)
        .await?;

    // Try to extract useful info from response
    if let Some(detailed) = result.get("detailedImportResult") {
        if let Some(successes) = detailed.get("successes").and_then(|s| s.as_array()) {
            if !successes.is_empty() {
                println!("Upload successful!");
                for success in successes {
                    if let Some(id) = success.get("internalId").and_then(|i| i.as_u64()) {
                        println!("Created activity ID: {}", id);
                    }
                }
                return Ok(());
            }
        }

        if let Some(failures) = detailed.get("failures").and_then(|f| f.as_array()) {
            if !failures.is_empty() {
                println!("Upload had failures:");
                for failure in failures {
                    println!("  {}", failure);
                }
            }
        }
    }

    // Fallback: print full response
    println!("Response: {}", serde_json::to_string_pretty(&result)?);

    Ok(())
}

/// Truncate string to max length
fn truncate(s: &str, max_len: usize) -> String {
    if s.len() <= max_len {
        s.to_string()
    } else {
        format!("{}...", &s[..max_len - 3])
    }
}

#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn test_truncate() {
        assert_eq!(truncate("short", 10), "short");
        assert_eq!(truncate("very long string here", 10), "very lo...");
    }

    #[test]
    fn test_download_endpoint_names_garmin_fit_archive() {
        let (path, extension) = download_endpoint(123, "fit").unwrap();

        assert_eq!(path, "/download-service/files/activity/123");
        assert_eq!(extension, "fit.zip");
    }

    #[test]
    fn test_download_endpoint_rejects_unknown_format() {
        let err = download_endpoint(123, "csv").unwrap_err();

        assert!(err.to_string().contains("Unknown format: csv"));
    }
}