use crate::notebook::testing::types::{Cell, CoverageReport};

/// Coverage tracking for notebook tests
pub struct CoverageTracker {
    lines_covered: usize,
    total_lines: usize,
}

/// Instrumented cell with coverage probes
pub struct InstrumentedCell {
    cell: Cell,
    probes: Vec<usize>,
}

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

impl CoverageTracker {
/// # Examples
/// 
/// ```
/// use ruchy::notebook::testing::coverage::CoverageTracker;
/// 
/// let instance = CoverageTracker::new();
/// // Verify behavior
/// ```
pub fn new() -> Self {
        Self {
            lines_covered: 0,
            total_lines: 0,
        }
    }
/// # Examples
/// 
/// ```
/// use ruchy::notebook::testing::coverage::CoverageTracker;
/// 
/// let mut instance = CoverageTracker::new();
/// let result = instance.instrument_cell();
/// // Verify behavior
/// ```
pub fn instrument_cell(&self, cell: &Cell) -> InstrumentedCell {
        InstrumentedCell {
            cell: cell.clone(),
            probes: vec![1, 2, 3], // Stub probe positions
        }
    }
/// # Examples
/// 
/// ```
/// use ruchy::notebook::testing::coverage::CoverageTracker;
/// 
/// let mut instance = CoverageTracker::new();
/// let result = instance.execute_instrumented();
/// // Verify behavior
/// ```
pub fn execute_instrumented(&self, _instrumented: &InstrumentedCell, _code: &str) {
        // Stub implementation for Sprint 0
    }
/// # Examples
/// 
/// ```ignore
/// use ruchy::notebook::testing::coverage::report_coverage;
/// 
/// let result = report_coverage(());
/// assert_eq!(result, Ok(()));
/// ```
pub fn report_coverage(&self) -> CoverageReport {
        CoverageReport {
            line_coverage: 0.5,  // Stub value
            branch_coverage: 0.3, // Stub value
            uncovered_sections: Vec::new(),
        }
    }
}
