"""Phase 13: Executive Dashboard — Pydantic schemas."""

from __future__ import annotations

from datetime import date, datetime
from typing import Any, Dict, List, Optional
from uuid import UUID

from pydantic import BaseModel, Field


class PostureSnapshotOut(BaseModel):
    id:              UUID
    snapshot_date:   date

    # Coverage
    total_techniques:   int
    validated_count:    int
    partial_count:      int
    not_covered_count:  int
    coverage_pct:       float

    # Risk
    avg_risk_score:  float
    critical_count:  int
    high_count:      int
    medium_count:    int
    low_count:       int

    # Operations
    open_queue_items:   int
    orphan_techniques:  int

    # Knowledge
    playbook_count:  int
    lesson_count:    int

    # MTTD
    mttd_avg_seconds:    Optional[float] = None
    executions_30d:      int
    detection_rate_30d:  Optional[float] = None

    # Meta
    created_by: Optional[UUID] = None
    created_at: Optional[datetime] = None
    extra:      Optional[Dict[str, Any]] = None

    class Config:
        from_attributes = True


class ExecutiveSummary(BaseModel):
    """Full executive view — current posture + trends."""
    snapshot:          PostureSnapshotOut
    coverage_trend:    List[Dict[str, Any]] = Field(
        default_factory=list,
        description="Last 30-day coverage_pct series [{date, value}]",
    )
    risk_trend:        List[Dict[str, Any]] = Field(
        default_factory=list,
        description="Last 30-day avg_risk_score series [{date, value}]",
    )
    top_risks:         List[Dict[str, Any]] = Field(
        default_factory=list,
        description="Top 5 highest-risk techniques",
    )
    coverage_by_tactic: List[Dict[str, Any]] = Field(
        default_factory=list,
        description="Per-tactic validated/partial/not_covered counts",
    )
    recent_activity:   List[Dict[str, Any]] = Field(
        default_factory=list,
        description="Most-recent events (tests, paths, queue changes)",
    )


class KpiBlock(BaseModel):
    """Compact KPI block for a dashboard header."""
    coverage_pct:        float
    avg_risk_score:      float
    critical_count:      int
    open_queue_items:    int
    orphan_techniques:   int
    mttd_avg_seconds:    Optional[float] = None
    detection_rate_30d:  Optional[float] = None
    playbook_count:      int
    lesson_count:        int
    snapshot_date:       date
    snapshot_id:         UUID


class CoverageByTactic(BaseModel):
    tactic:        str
    total:         int
    validated:     int
    partial:       int
    not_covered:   int
    coverage_pct:  float


class PostureHistoryEntry(BaseModel):
    snapshot_date:   date
    coverage_pct:    float
    avg_risk_score:  float
    critical_count:  int
    open_queue_items: int


class ActivityEntry(BaseModel):
    ts:       datetime
    category: str      # "test" | "attack_path" | "queue" | "osint"
    title:    str
    detail:   Optional[str] = None