"""Typed JSON schemas for document intelligence, trend summaries, and recommendations."""
from __future__ import annotations

import uuid
from datetime import datetime, timezone
from enum import Enum
from typing import List, Optional

from pydantic import BaseModel, Field

# --- Enums ---

class DocumentType(str, Enum):
    ARTICLE = "article"
    FILING = "filing"
    TRANSCRIPT = "transcript"
    PRESS_RELEASE = "press_release"
    MACRO_EVENT = "macro_event"


class SourceType(str, Enum):
    MARKET_API = "market_api"
    NEWS_API = "news_api"
    FILINGS_API = "filings_api"
    WEB_SCRAPE = "web_scrape"
    BROKER = "broker"


class Sentiment(str, Enum):
    POSITIVE = "positive"
    NEGATIVE = "negative"
    NEUTRAL = "neutral"
    MIXED = "mixed"


class CatalystType(str, Enum):
    EARNINGS = "earnings"
    PRODUCT = "product"
    LEGAL = "legal"
    MACRO = "macro"
    SUPPLY_CHAIN = "supply_chain"
    M_AND_A = "m_and_a"
    RATING_CHANGE = "rating_change"
    OTHER = "other"


class TrendDirection(str, Enum):
    BULLISH = "bullish"
    BEARISH = "bearish"
    MIXED = "mixed"
    NEUTRAL = "neutral"


class ActionType(str, Enum):
    BUY = "buy"
    SELL = "sell"
    HOLD = "hold"
    WATCH = "watch"


class RecommendationMode(str, Enum):
    INFORMATIONAL = "informational"
    PAPER_ELIGIBLE = "paper_eligible"
    LIVE_ELIGIBLE = "live_eligible"


class TrendWindow(str, Enum):
    INTRADAY = "intraday"
    ONE_DAY = "1d"
    SEVEN_DAY = "7d"
    THIRTY_DAY = "30d"
    NINETY_DAY = "90d"


class ImpactType(str, Enum):
    SUPPLY_DISRUPTION = "supply_disruption"
    DEMAND_SHIFT = "demand_shift"
    COST_INCREASE = "cost_increase"
    REGULATORY_PRESSURE = "regulatory_pressure"
    CURRENCY_IMPACT = "currency_impact"
    COMMODITY_SHOCK = "commodity_shock"
    TRADE_BARRIER = "trade_barrier"
    GEOPOLITICAL_RISK = "geopolitical_risk"


class SeverityLevel(str, Enum):
    LOW = "low"
    MODERATE = "moderate"
    HIGH = "high"
    CRITICAL = "critical"


class MarketPositionTier(str, Enum):
    GLOBAL_LEADER = "global_leader"
    MULTINATIONAL = "multinational"
    REGIONAL = "regional"
    DOMESTIC = "domestic"


class EstimatedDuration(str, Enum):
    SHORT_TERM = "short_term"
    MEDIUM_TERM = "medium_term"
    LONG_TERM = "long_term"


# --- Autonomous Trading Engine Enums ---


class TradingDecisionType(str, Enum):
    ACT = "act"
    SKIP = "skip"


class CircuitBreakerTriggerType(str, Enum):
    DAILY_LOSS = "daily_loss"
    SINGLE_POSITION = "single_position"
    VOLATILITY = "volatility"
    MANUAL = "manual"


class ReservePoolTriggerType(str, Enum):
    PROFIT_SIPHON = "profit_siphon"
    EMERGENCY_LIQUIDATION = "emergency_liquidation"
    MANUAL_ADJUSTMENT = "manual_adjustment"
    INITIAL = "initial"


class NotificationChannel(str, Enum):
    SMS = "sms"
    EMAIL = "email"


class RiskTierName(str, Enum):
    CONSERVATIVE = "conservative"
    MODERATE = "moderate"
    AGGRESSIVE = "aggressive"


# --- Document Intelligence ---

class CompanyImpact(BaseModel):
    ticker: str
    company_name: str
    relevance: float = Field(ge=0, le=1)
    sentiment: Sentiment
    impact_score: float = Field(ge=0, le=1)
    impact_horizon: str
    catalyst_type: CatalystType
    key_facts: List[str] = Field(default_factory=list)
    risks: List[str] = Field(default_factory=list)
    evidence_spans: List[str] = Field(default_factory=list)


class ModelMetadata(BaseModel):
    provider: str = "ollama"
    model_name: str = ""
    prompt_version: str = ""
    schema_version: str = "2.0.0"


class DocumentIntelligence(BaseModel):
    document_id: str = Field(default_factory=lambda: str(uuid.uuid4()))
    document_type: DocumentType = DocumentType.ARTICLE
    summary: str = ""
    companies: List[CompanyImpact] = Field(default_factory=list)
    macro_themes: List[str] = Field(default_factory=list)
    novelty_score: float = Field(ge=0, le=1, default=0.5)
    source_credibility: float = Field(ge=0, le=1, default=0.5)
    extraction_warnings: List[str] = Field(default_factory=list)
    confidence: float = Field(ge=0, le=1, default=0.5)
    model: ModelMetadata = Field(default_factory=ModelMetadata)


# --- Trend Summary ---

class MarketContext(BaseModel):
    """Recent market data features for a symbol, used to enrich aggregation."""

    ticker: str = ""
    price_change_pct: Optional[float] = None  # % change over the window
    avg_volume: Optional[float] = None  # average daily volume
    volume_change_pct: Optional[float] = None  # volume vs prior period
    volatility: Optional[float] = None  # intra-window price std dev
    latest_close: Optional[float] = None
    latest_bar_at: Optional[datetime] = None
    bars_available: int = 0

    @property
    def has_data(self) -> bool:
        return self.bars_available > 0


class DisagreementDetail(BaseModel):
    """Represents an explicit disagreement between document signals.

    Rather than collapsing contradictory signals into a single score,
    this captures the nature of the disagreement so downstream consumers
    can inspect *why* signals conflict.

    Requirements: 6.4
    """

    dimension: str = ""  # e.g. "sentiment", "catalyst", "impact_horizon"
    positive_doc_ids: List[str] = Field(default_factory=list)
    negative_doc_ids: List[str] = Field(default_factory=list)
    positive_weight: float = 0.0
    negative_weight: float = 0.0
    description: str = ""


class TrendSummary(BaseModel):
    entity_type: str = "company"
    entity_id: str = ""
    window: TrendWindow = TrendWindow.SEVEN_DAY
    trend_direction: TrendDirection = TrendDirection.NEUTRAL
    trend_strength: float = Field(ge=0, le=1, default=0.5)
    confidence: float = Field(ge=0, le=1, default=0.5)
    top_supporting_evidence: List[str] = Field(default_factory=list)
    top_opposing_evidence: List[str] = Field(default_factory=list)
    dominant_catalysts: List[str] = Field(default_factory=list)
    material_risks: List[str] = Field(default_factory=list)
    contradiction_score: float = Field(ge=0, le=1, default=0.0)
    disagreement_details: List[DisagreementDetail] = Field(default_factory=list)
    market_context: Optional[MarketContext] = None
    generated_at: datetime = Field(default_factory=lambda: datetime.now(tz=timezone.utc))

    # New optional fields for probabilistic mode
    p_bull: Optional[float] = None              # Bayesian bullish probability
    alpha: Optional[float] = None               # Beta posterior α
    beta_param: Optional[float] = None          # Beta posterior β (named to avoid shadowing)
    bayesian_confidence: Optional[float] = None  # 1 - 4αβ/(α+β)²
    entropy: Optional[float] = None             # Shannon entropy H
    regime: Optional[str] = None                # Market regime classification
    pipeline_mode: str = "heuristic"            # "heuristic" or "probabilistic"


# --- Recommendation ---

class PositionSizing(BaseModel):
    portfolio_pct: float = Field(ge=0, le=1, default=0.02)
    max_loss_pct: float = Field(ge=0, le=1, default=0.005)


class Recommendation(BaseModel):
    recommendation_id: str = Field(default_factory=lambda: str(uuid.uuid4()))
    ticker: str = ""
    action: ActionType = ActionType.WATCH
    mode: RecommendationMode = RecommendationMode.INFORMATIONAL
    confidence: float = Field(ge=0, le=1, default=0.5)
    time_horizon: str = ""
    thesis: str = ""
    invalidation_conditions: List[str] = Field(default_factory=list)
    position_sizing: PositionSizing = Field(default_factory=PositionSizing)
    evidence_refs: List[str] = Field(default_factory=list)
    model_metadata: ModelMetadata = Field(default_factory=ModelMetadata)
    generated_at: datetime = Field(default_factory=lambda: datetime.now(tz=timezone.utc))

    # New optional fields for probabilistic mode
    expected_value: Optional[float] = None      # EV = P_bull·R_up - P_bear·R_down
    p_bull: Optional[float] = None              # Bayesian bullish probability used
    pipeline_mode: str = "heuristic"            # "heuristic" or "probabilistic"


# --- Global News Interpolation ---

class GlobalEventSchema(BaseModel):
    event_id: str = Field(default_factory=lambda: str(uuid.uuid4()))
    event_types: List[ImpactType] = Field(default_factory=list)
    severity: SeverityLevel = SeverityLevel.LOW
    affected_regions: List[str] = Field(default_factory=list)
    affected_sectors: List[str] = Field(default_factory=list)
    affected_commodities: List[str] = Field(default_factory=list)
    summary: str = ""
    key_facts: List[str] = Field(default_factory=list)
    estimated_duration: EstimatedDuration = EstimatedDuration.SHORT_TERM
    confidence: float = Field(ge=0, le=1, default=0.5)
    source_document_id: str = ""
    model_metadata: ModelMetadata = Field(default_factory=ModelMetadata)
    created_at: datetime = Field(default_factory=lambda: datetime.now(tz=timezone.utc))


class MacroImpactRecordSchema(BaseModel):
    event_id: str = ""
    company_id: str = ""
    ticker: str = ""
    macro_impact_score: float = Field(ge=0, le=1, default=0.0)
    impact_direction: str = "neutral"
    contributing_factors: List[str] = Field(default_factory=list)
    confidence: float = Field(ge=0, le=1, default=0.5)
    computed_at: datetime = Field(default_factory=lambda: datetime.now(tz=timezone.utc))


class ExposureProfileSchema(BaseModel):
    company_id: str = ""
    geographic_revenue_mix: dict[str, float] = Field(default_factory=dict)
    supply_chain_regions: List[str] = Field(default_factory=list)
    key_input_commodities: List[str] = Field(default_factory=list)
    regulatory_jurisdictions: List[str] = Field(default_factory=list)
    market_position_tier: MarketPositionTier = MarketPositionTier.REGIONAL
    export_dependency_pct: float = Field(ge=0, le=1, default=0.0)
    source: str = "manual"
    confidence: float = Field(ge=0, le=1, default=1.0)
    version: int = 1
    active: bool = True
    created_at: datetime = Field(default_factory=lambda: datetime.now(tz=timezone.utc))
    updated_at: datetime = Field(default_factory=lambda: datetime.now(tz=timezone.utc))


class TrendProjectionSchema(BaseModel):
    trend_window_id: str = ""
    projected_direction: TrendDirection = TrendDirection.NEUTRAL
    projected_strength: float = Field(ge=0, le=1, default=0.5)
    projected_confidence: float = Field(ge=0, le=1, default=0.5)
    projection_horizon: str = "7d"
    driving_factors: List[str] = Field(default_factory=list)
    macro_contribution_pct: float = Field(ge=0, le=1, default=0.0)
    diverges_from_current: bool = False
    computed_at: datetime = Field(default_factory=lambda: datetime.now(tz=timezone.utc))


# --- Document Metadata ---

class StorageRefs(BaseModel):
    raw_html: Optional[str] = None
    raw_payload: Optional[str] = None
    normalized_text: Optional[str] = None


class DocumentMetadata(BaseModel):
    document_id: str = Field(default_factory=lambda: str(uuid.uuid4()))
    document_type: DocumentType = DocumentType.ARTICLE
    symbol_candidates: List[str] = Field(default_factory=list)
    source_type: SourceType = SourceType.NEWS_API
    publisher: str = ""
    url: Optional[str] = None
    canonical_url: Optional[str] = None
    title: str = ""
    published_at: Optional[datetime] = None
    retrieved_at: datetime = Field(default_factory=lambda: datetime.now(tz=timezone.utc))
    language: str = "en"
    content_hash: str = ""
    storage_refs: StorageRefs = Field(default_factory=StorageRefs)


# --- Competitive Intelligence & Historical Patterns ---


class RelationshipType(str, Enum):
    DIRECT_RIVAL = "direct_rival"
    SAME_SECTOR = "same_sector"
    OVERLAPPING_PRODUCTS = "overlapping_products"
    SUPPLY_CHAIN_ADJACENT = "supply_chain_adjacent"


class CatalystTier(str, Enum):
    MAJOR_CORPORATE_DECISION = "major_corporate_decision"
    ROUTINE_SIGNAL = "routine_signal"


# Major corporate decision catalyst types (Req 11.1)
MAJOR_DECISION_CATALYSTS: frozenset[str] = frozenset({
    "m_and_a",
    "legal",
    "restructuring",
    "leadership_change",
    "strategic_pivot",
    "buyback",
    "dividend_change",
})


class CompetitorRelationshipSchema(BaseModel):
    id: str = Field(default_factory=lambda: str(uuid.uuid4()))
    company_a_id: str = ""
    company_b_id: str = ""
    relationship_type: RelationshipType = RelationshipType.DIRECT_RIVAL
    strength: float = Field(ge=0, le=1, default=0.5)
    bidirectional: bool = True
    source: str = "manual"
    active: bool = True
    created_at: datetime = Field(default_factory=lambda: datetime.now(tz=timezone.utc))
    updated_at: datetime = Field(default_factory=lambda: datetime.now(tz=timezone.utc))


class CompetitiveSignalRecordSchema(BaseModel):
    id: str = Field(default_factory=lambda: str(uuid.uuid4()))
    source_document_id: str = ""
    source_ticker: str = ""
    target_ticker: str = ""
    catalyst_type: str = ""
    pattern_confidence: float = Field(ge=0, le=1, default=0.0)
    signal_direction: str = "neutral"
    signal_strength: float = Field(ge=0, le=1, default=0.0)
    relationship_strength: float = Field(ge=0, le=1, default=0.0)
    computed_at: datetime = Field(default_factory=lambda: datetime.now(tz=timezone.utc))


class HistoricalPatternSchema(BaseModel):
    source_ticker: str = ""
    target_ticker: str = ""
    catalyst_type: str = ""
    time_horizon: str = "7d"
    sample_count: int = 0
    bullish_pct: float = Field(ge=0, le=1, default=0.0)
    bearish_pct: float = Field(ge=0, le=1, default=0.0)
    avg_strength: float = Field(ge=0, le=1, default=0.0)
    avg_time_to_resolution: float = 0.0
    pattern_confidence: float = Field(ge=0, le=1, default=0.0)
    data_start: Optional[datetime] = None
    data_end: Optional[datetime] = None
    tier: CatalystTier = CatalystTier.ROUTINE_SIGNAL
    insufficient_data: bool = False