from dataclasses import dataclass, field
from typing import Optional, Tuple, List




@dataclass
class FeedbackMessage:
    category: str
    message: str
    severity: str  # "warning", "error", "success"


@dataclass
class QualityFeedback:
    messages: List[FeedbackMessage] = field(default_factory=list)
    is_acceptable: bool = True

    def add(self, category: str, message: str, severity: str = "warning"):
        self.messages.append(FeedbackMessage(category, message, severity))
        if severity == "error":
            self.is_acceptable = False

@dataclass
class FingerQualityResult:
    # Raw scores
    blur_score: float
    illumination_score: float
    coverage_ratio: float
    orientation_angle_deg: float  # angle of main axis w.r.t. x-axis

    # Per-metric pass/fail
    blur_pass: bool
    illumination_pass: bool
    coverage_pass: bool
    orientation_pass: bool

    # Overall
    quality_score: float       # 0–1
    overall_pass: bool

    # Debug / geometry
    bbox: Optional[Tuple[int, int, int, int]]  # x, y, w, h
    contour_area: float

    # NEW: Feedback bundled into the same result JSON
    feedback: Optional[QualityFeedback] = None