"""
Issue management API.
"""
from fastapi import APIRouter, HTTPException
from pydantic import BaseModel
from typing import Optional, List
from enum import Enum
from datetime import datetime
import logging

logger = logging.getLogger(__name__)
router = APIRouter()


class IssueStatus(str, Enum):
    PENDING = "pending"
    ANALYZING = "analyzing"
    ANALYZED = "analyzed"
    FIX_GENERATED = "fix_generated"
    PR_CREATED = "pr_created"
    ACCEPTED = "accepted"
    REJECTED = "rejected"
    FAILED = "failed"


class AnalyzedIssue(BaseModel):
    id: str
    jira_key: str
    title: str
    status: IssueStatus
    module: Optional[str] = None
    confidence: Optional[float] = None
    analysis_time_ms: Optional[int] = None
    affected_files: List[str] = []
    root_cause: Optional[str] = None
    proposed_fix: Optional[str] = None
    pr_url: Optional[str] = None
    created_at: datetime
    updated_at: datetime


class IssueListResponse(BaseModel):
    total: int
    items: List[AnalyzedIssue]


@router.get("/", response_model=IssueListResponse)
async def list_issues(
    status: Optional[IssueStatus] = None,
    module: Optional[str] = None,
    limit: int = 20,
    offset: int = 0,
):
    """
    List analyzed issues with optional filters.
    """
    # TODO: Implement database query
    return IssueListResponse(total=0, items=[])


@router.get("/{issue_id}", response_model=AnalyzedIssue)
async def get_issue(issue_id: str):
    """
    Get details of a specific analyzed issue.
    """
    # TODO: Implement database query
    raise HTTPException(status_code=404, detail="Issue not found")


@router.post("/{issue_id}/reanalyze")
async def reanalyze_issue(issue_id: str):
    """
    Trigger re-analysis of an issue.
    """
    logger.info(f"🔄 Re-analyzing issue: {issue_id}")
    # TODO: Queue for re-analysis
    return {"status": "queued", "issue_id": issue_id}


@router.get("/stats/summary")
async def get_stats():
    """
    Get summary statistics for dashboard.
    """
    # TODO: Implement stats calculation
    return {
        "total_issues": 0,
        "pending": 0,
        "analyzed": 0,
        "accepted": 0,
        "rejected": 0,
        "success_rate": 0.0,
        "avg_analysis_time_ms": 0,
    }