oximedia-scene 0.1.8

//! Sports-specific activity recognition.

use crate::common::Confidence;
use crate::error::SceneResult;
use serde::{Deserialize, Serialize};

/// Type of sports activity.
#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash, Serialize, Deserialize)]
pub enum SportsType {
    /// Soccer/football.
    Soccer,
    /// Basketball.
    Basketball,
    /// Tennis.
    Tennis,
    /// Baseball.
    Baseball,
    /// Golf.
    Golf,
    /// Swimming.
    Swimming,
    /// Skiing.
    Skiing,
    /// Unknown sports.
    Unknown,
}

impl SportsType {
    /// Get human-readable name.
    #[must_use]
    pub const fn name(&self) -> &'static str {
        match self {
            Self::Soccer => "Soccer",
            Self::Basketball => "Basketball",
            Self::Tennis => "Tennis",
            Self::Baseball => "Baseball",
            Self::Golf => "Golf",
            Self::Swimming => "Swimming",
            Self::Skiing => "Skiing",
            Self::Unknown => "Unknown",
        }
    }
}

/// Recognized sports activity.
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct SportsActivity {
    /// Sports type.
    pub sports_type: SportsType,
    /// Action within sport (kick, shot, serve, etc.).
    pub action: Option<String>,
    /// Detection confidence.
    pub confidence: Confidence,
}

/// Sports activity recognizer.
pub struct SportsActivityRecognizer;

impl SportsActivityRecognizer {
    /// Create a new sports activity recognizer.
    #[must_use]
    pub fn new() -> Self {
        Self
    }

    /// Recognize sports activity.
    ///
    /// # Errors
    ///
    /// Returns error if recognition fails.
    pub fn recognize(
        &self,
        _frames: &[&[u8]],
        _width: usize,
        _height: usize,
    ) -> SceneResult<SportsActivity> {
        // Simplified implementation
        Ok(SportsActivity {
            sports_type: SportsType::Unknown,
            action: None,
            confidence: Confidence::new(0.5),
        })
    }
}

impl Default for SportsActivityRecognizer {
    fn default() -> Self {
        Self::new()
    }
}