from __future__ import annotations

from dataclasses import asdict, dataclass, field
from typing import List


@dataclass
class SpaceItem:
    repo_id: str
    title: str
    summary: str
    url: str
    zone: str
    track: str = ""
    tags: List[str] = field(default_factory=list)
    difficulty: str = "casual"
    quest: str = ""
    likes: int = 0
    sdk: str = "unknown"
    status: str = "unknown"
    last_modified: str = ""
    emoji: str = "🚀"
    readme_text: str = ""

    @classmethod
    def from_dict(cls, data: dict) -> "SpaceItem":
        tags = data.get("tags", []) or []
        if isinstance(tags, str):
            tags = [tags]
        return cls(
            repo_id=str(data.get("repo_id", "")),
            title=str(data.get("title", "")),
            summary=str(data.get("summary", "")),
            url=str(data.get("url", "")),
            zone=str(data.get("zone", "Experiment Lab")),
            track=str(data.get("track", "")),
            tags=[str(tag) for tag in tags if str(tag).strip()],
            difficulty=str(data.get("difficulty", "casual")),
            quest=str(data.get("quest", "")),
            likes=int(data.get("likes", 0) or 0),
            sdk=str(data.get("sdk", "unknown")),
            status=str(data.get("status", "unknown")),
            last_modified=str(data.get("last_modified", "")),
            emoji=str(data.get("emoji", "🚀")),
            readme_text=str(data.get("readme_text", "")),
        )

    def to_dict(self) -> dict:
        return asdict(self)


@dataclass
class RecommendationResult:
    space: SpaceItem
    score: float
    reason: str
    summary: str = ""


@dataclass
class PassportState:
    completed_repo_ids: list[str] = field(default_factory=list)
    favorite_repo_ids: list[str] = field(default_factory=list)
    tracks_explored: list[str] = field(default_factory=list)
    zones_explored: list[str] = field(default_factory=list)

    @classmethod
    def from_dict(cls, data: dict | None) -> "PassportState":
        data = data or {}
        completed_repo_ids = data.get("completed_repo_ids", []) or []
        favorite_repo_ids = data.get("favorite_repo_ids", []) or []
        tracks_explored = data.get("tracks_explored", []) or []
        zones_explored = data.get("zones_explored", []) or []
        if isinstance(completed_repo_ids, str):
            completed_repo_ids = [completed_repo_ids]
        if isinstance(favorite_repo_ids, str):
            favorite_repo_ids = [favorite_repo_ids]
        if isinstance(tracks_explored, str):
            tracks_explored = [tracks_explored]
        if isinstance(zones_explored, str):
            zones_explored = [zones_explored]
        return cls(
            completed_repo_ids=[str(item) for item in completed_repo_ids if str(item).strip()],
            favorite_repo_ids=[str(item) for item in favorite_repo_ids if str(item).strip()],
            tracks_explored=[str(item) for item in tracks_explored if str(item).strip()],
            zones_explored=[str(item) for item in zones_explored if str(item).strip()],
        )

    def to_dict(self) -> dict:
        return asdict(self)