#!/usr/bin/env python3
"""
SimpleCov Parser - Ruby Code Coverage Analysis

"""

from dataclasses import dataclass
from pathlib import Path


@dataclass
class FileCoverage:
    """Represents code coverage for a single file."""

    file_path: str
    lines_covered: int
    lines_uncovered: int
    branches_covered: int
    branches_uncovered: int
    coverage_percentage: float


@dataclass
class CoverageMetrics:
    """Overall coverage metrics."""

    total_coverage: float
    line_coverage: float
    branch_coverage: float
    files_analyzed: int
    lines_covered: int
    lines_uncovered: int


class SimpleCovParser:
    """
    Parser for SimpleCov code coverage analysis.

    Integrates SimpleCov for measuring code coverage including line coverage,
    branch coverage, and file-level statistics with trend analysis.
    """

    def __init__(self):
        """Initialize SimpleCov parser."""
        self.file_coverage: list[FileCoverage] = []
        self.metrics: CoverageMetrics | None = None

    def parse_resultset_json(self, resultset_path: Path) -> CoverageMetrics:
        raise NotImplementedError("Phase 2: JSON parsing")

    def parse_coverage_data(self, coverage_data: dict) -> list[FileCoverage]:
        raise NotImplementedError("Phase 2: Coverage data parsing")

    def calculate_coverage_metrics(self, files: list[FileCoverage]) -> CoverageMetrics:
        raise NotImplementedError("Phase 2: Metrics calculation")

    def identify_uncovered_lines(self, file_coverage: FileCoverage) -> list[int]:
        raise NotImplementedError("Phase 2: Uncovered line identification")

    def analyze_coverage_trends(self, historical_data: list[CoverageMetrics]) -> dict:
        raise NotImplementedError("Phase 2: Trend analysis")

    def generate_coverage_report(self, metrics: CoverageMetrics) -> str:
        raise NotImplementedError("Phase 2: Report generation")

    def identify_coverage_hotspots(self, files: list[FileCoverage]) -> list[FileCoverage]:
        raise NotImplementedError("Phase 2: Hotspot identification")
