# core/result.py

from dataclasses import dataclass, field


@dataclass
class StepResult:
    step: str           # "validate" | "clean" | "convert" | ...
    changed: bool
    details: list = field(default_factory=list)   # e.g. ["Eliminado: thumbs.db"]
    warnings: list = field(default_factory=list)
    errors: list = field(default_factory=list)


@dataclass
class ComicResult:
    original_path: str
    final_path: str | None   # None si se abortó
    steps: list = field(default_factory=list)

    def ok(self) -> bool:
        return all(not s.errors for s in self.steps)

    def summary(self) -> str:
        if not self.ok():
            errors = [e for s in self.steps for e in s.errors]
            return f"ERROR [{self.original_path}]: {'; '.join(errors)}"
        changed_steps = [s.step for s in self.steps if s.changed]
        if changed_steps:
            dest = self.final_path or self.original_path
            return f"OK [{self.original_path}] → {dest} ({', '.join(changed_steps)})"
        return f"OK [{self.original_path}] (sin cambios)"

    def has_issues(self) -> bool:
        """True si algún step tiene warnings o errors."""
        return any(s.warnings or s.errors for s in self.steps)

    def full_report(self) -> str:
        lines = [f"Cómic: {self.original_path}"]
        for s in self.steps:
            status = "CAMBIADO" if s.changed else "sin cambios"
            lines.append(f"  [{s.step}] {status}")
            for d in s.details:
                lines.append(f"    - {d}")
            for w in s.warnings:
                lines.append(f"    AVISO: {w}")
            for e in s.errors:
                lines.append(f"    ERROR: {e}")
        if self.final_path:
            lines.append(f"  Resultado final: {self.final_path}")
        return "\n".join(lines)