from fastapi import APIRouter
from pydantic import BaseModel
from typing import Dict, Any, Optional
import os
from services.database import get_all_config, set_config, get_config, get_sources, update_sources, get_analysis_config, save_analysis_config

router = APIRouter(prefix="/api/config", tags=["config"])


class ApiKeysRequest(BaseModel):
    openai_api_key: Optional[str] = None
    newsapi_key: Optional[str] = None
    eia_api_key: Optional[str] = None
    fred_api_key: Optional[str] = None
    calendar_refresh_h: Optional[str] = None


class SourcesRequest(BaseModel):
    sources: Dict[str, Any]


class SettingsRequest(BaseModel):
    ai_enabled: Optional[str] = None
    ai_auto_rescore: Optional[str] = None


class AnalysisConfigRequest(BaseModel):
    top_n: Optional[int] = None
    category_filter: Optional[str] = None
    template: Optional[str] = None


@router.get("/")
def get_config_all():
    return get_all_config()


@router.get("/sources")
def list_sources():
    return get_sources()


@router.put("/sources")
def update_sources_endpoint(req: SourcesRequest):
    update_sources(req.sources)
    return {"status": "ok", "updated": len(req.sources)}


@router.put("/api-keys")
def update_api_keys(req: ApiKeysRequest):
    updated = []
    if req.openai_api_key is not None:
        set_config("openai_api_key", req.openai_api_key)
        os.environ["OPENAI_API_KEY"] = req.openai_api_key
        updated.append("openai")
    if req.newsapi_key is not None:
        set_config("newsapi_key", req.newsapi_key)
        updated.append("newsapi")
    if req.eia_api_key is not None:
        set_config("eia_api_key", req.eia_api_key)
        updated.append("eia")
    if req.fred_api_key is not None:
        set_config("fred_api_key", req.fred_api_key)
        updated.append("fred")
    if req.calendar_refresh_h is not None:
        set_config("calendar_refresh_h", req.calendar_refresh_h)
        updated.append("calendar_refresh_h")
    return {"status": "ok", "updated": updated}


@router.put("/settings")
def update_settings(req: SettingsRequest):
    if req.ai_enabled is not None:
        set_config("ai_enabled", req.ai_enabled)
    if req.ai_auto_rescore is not None:
        set_config("ai_auto_rescore", req.ai_auto_rescore)
    return {"status": "ok"}


@router.get("/analysis")
def get_analysis_config_endpoint():
    return get_analysis_config()


@router.put("/analysis")
def save_analysis_config_endpoint(req: AnalysisConfigRequest):
    current = get_analysis_config()
    if req.top_n is not None:
        current["top_n"] = req.top_n
    if req.category_filter is not None:
        current["category_filter"] = req.category_filter
    if req.template is not None:
        current["template"] = req.template
    save_analysis_config(current)
    return {"status": "ok", "config": current}


class OptionsGateRequest(BaseModel):
    iv_gate_enabled: Optional[bool] = None
    iv_gate_ivr_high: Optional[float] = None
    iv_gate_ivr_extreme: Optional[float] = None
    iv_gate_skew_threshold: Optional[float] = None


@router.get("/options-gate")
def get_options_gate():
    return {
        "iv_gate_enabled": (get_config("iv_gate_enabled") or "true").lower() == "true",
        "iv_gate_ivr_high": float(get_config("iv_gate_ivr_high") or 60),
        "iv_gate_ivr_extreme": float(get_config("iv_gate_ivr_extreme") or 80),
        "iv_gate_skew_threshold": float(get_config("iv_gate_skew_threshold") or 8),
    }


@router.put("/options-gate")
def save_options_gate(req: OptionsGateRequest):
    if req.iv_gate_enabled is not None:
        set_config("iv_gate_enabled", "true" if req.iv_gate_enabled else "false")
    if req.iv_gate_ivr_high is not None:
        set_config("iv_gate_ivr_high", str(req.iv_gate_ivr_high))
    if req.iv_gate_ivr_extreme is not None:
        set_config("iv_gate_ivr_extreme", str(req.iv_gate_ivr_extreme))
    if req.iv_gate_skew_threshold is not None:
        set_config("iv_gate_skew_threshold", str(req.iv_gate_skew_threshold))
    return {"status": "ok"}


# ── Tech Indicators config ──────────────────────────────────────────────────

class TechIndicatorsRequest(BaseModel):
    tech_indicators_enabled: Optional[bool] = None
    tech_indicators_list: Optional[str] = None   # comma-separated: "rsi,ma,bollinger,atr"
    tech_indicators_auto_calibrate: Optional[bool] = None


@router.get("/tech-indicators")
def get_tech_indicators():
    return {
        "tech_indicators_enabled": (get_config("tech_indicators_enabled") or "true").lower() == "true",
        "tech_indicators_list": get_config("tech_indicators_list") or "rsi,ma,bollinger,atr",
        "tech_indicators_auto_calibrate": (get_config("tech_indicators_auto_calibrate") or "true").lower() == "true",
    }


@router.put("/tech-indicators")
def save_tech_indicators(req: TechIndicatorsRequest):
    if req.tech_indicators_enabled is not None:
        set_config("tech_indicators_enabled", "true" if req.tech_indicators_enabled else "false")
    if req.tech_indicators_list is not None:
        set_config("tech_indicators_list", req.tech_indicators_list)
    if req.tech_indicators_auto_calibrate is not None:
        set_config("tech_indicators_auto_calibrate", "true" if req.tech_indicators_auto_calibrate else "false")
    return {"status": "ok"}