"""Schemas for v1 (Consumer-Driven Contract) API endpoints."""

from __future__ import annotations

from datetime import datetime
from decimal import Decimal
from typing import Any, Literal

from pydantic import BaseModel, Field


# ---------------------------------------------------------------------------
# GET/POST/PATCH /v1/tags (REQ-004)
# ---------------------------------------------------------------------------

class TagItem(BaseModel):
    tag_id: str
    name: str
    is_admin_tag: bool
    is_active: bool
    created_at: datetime | None = None


class TagCreateRequest(BaseModel):
    name: str = Field(..., min_length=1)


class TagListResponse(BaseModel):
    tags: list[TagItem]
    total: int


# ---------------------------------------------------------------------------
# POST/DELETE /v1/assets/{id}/tags, /v1/portfolios/{id}/tags (REQ-005)
# ---------------------------------------------------------------------------

class TagApplyRequest(BaseModel):
    tag_id: str = Field(..., min_length=1)


class TagApplyResponse(BaseModel):
    tag_id: str
    status: str


# ---------------------------------------------------------------------------
# GET /v1/assets
# ---------------------------------------------------------------------------

class TagRefItem(BaseModel):
    tag_id: str
    archived: bool = False


class AssetItem(BaseModel):
    asset_id: str
    symbol: str
    status: str
    cash: float
    quantity: float
    broker_type: str
    strategy_id: str | None = None
    strategy_type: str | None = None
    strategy_params: dict[str, Any] = {}
    updated_at: datetime | None = None
    # Additional informational fields
    name: str | None = None
    price: float | None = None
    profit_buffer: float | None = None
    tags: list[str] | None = None
    tag_ids: list[TagRefItem] | None = None
    owner_user_id: str | None = None
    created_at: datetime | None = None
    last_trade_at: datetime | None = None


class AssetsResponse(BaseModel):
    assets: list[AssetItem]
    total: int


# ---------------------------------------------------------------------------
# GET /v1/user_info
# ---------------------------------------------------------------------------

class BrokerItem(BaseModel):
    broker: str
    account_ref: str
    credential_payload: dict[str, Any] | None = None
    credential_version: int = 1
    last_rotated_at: datetime | None = None


class UserInfoResponse(BaseModel):
    runtime_id: str | None = None
    daemon_id: str | None = None
    trading_enabled: bool
    disabled_reason: str | None = None
    brokers: list[BrokerItem] = []
    # Additional informational fields
    user_id: str
    username: str
    email: str | None = None
    permission: str


# ---------------------------------------------------------------------------
# POST /v1/assets/{asset_id}/ledger/trades
# ---------------------------------------------------------------------------

class LedgerTradeRequest(BaseModel):
    order_id: str = Field(..., min_length=1)
    execution_id: str = Field(..., min_length=1)
    side: Literal["buy", "sell"]
    quantity: Decimal = Field(..., gt=0)
    price: Decimal = Field(..., gt=0)
    fee_amount: Decimal = Field(default=Decimal("0"), ge=0)
    tax_amount: Decimal = Field(default=Decimal("0"), ge=0)
    executed_at: datetime


class LedgerTradeResponse(BaseModel):
    ledger_entry_id: int
    asset_id: str
    order_id: str
    execution_id: str
    side: str
    quantity: float
    price: float
    fee_amount: float
    tax_amount: float
    executed_at: datetime
    recorded_at: datetime | None = None
    status: Literal["new", "duplicate"] = "new"


# ---------------------------------------------------------------------------
# POST/PATCH/DELETE/GET /v1/portfolios (REQ-025, REQ-026, REQ-027, REQ-028)
# ---------------------------------------------------------------------------

class PortfolioCreateRequest(BaseModel):
    asset_id: str = Field(..., min_length=1)
    broker: str = Field(..., min_length=1)
    name: str | None = None
    cash_balance: float = Field(default=0.0, ge=0.0)
    asset_quantity: float = Field(default=0.0, ge=0.0)
    asset_price: float = Field(default=0.0, ge=0.0)
    profit_buffer: float = Field(default=0.0, ge=0.0)
    strategy_name: str | None = None
    strategy_params: dict[str, Any] = Field(default_factory=dict)
    managed_by_daemon_id: str | None = None
    user_id: str | None = None  # admin-only: override owner


class PortfolioUpdateRequest(BaseModel):
    broker: str | None = None
    status: str | None = None
    name: str | None = None
    strategy_name: str | None = None
    strategy_params: dict[str, Any] | None = None
    asset_price: float | None = Field(default=None, ge=0.0)
    managed_by_daemon_id: str | None = None


class PortfolioItem(BaseModel):
    portfolio_id: str
    asset_id: str | None = None
    owner_user_id: str | None = None
    broker: str
    status: str
    name: str
    cash_balance: float = 0.0
    asset_quantity: float = 0.0
    price: float = 0.0
    profit_buffer: float = 0.0
    tag_ids: list[str] = Field(default_factory=list)
    managed_by_daemon_id: str | None = None
    created_at: datetime | None = None
    updated_at: datetime | None = None


class PortfolioListResponse(BaseModel):
    portfolios: list[PortfolioItem]
    total: int


# ---------------------------------------------------------------------------
# GET /v1/portfolios/{id}/tags, CRUD /v1/portfolios/{id}/comments (REQ-030, REQ-031)
# ---------------------------------------------------------------------------

class PortfolioTagListResponse(BaseModel):
    tags: list[TagItem]
    total: int


class PortfolioCommentItem(BaseModel):
    comment_id: str
    portfolio_id: str
    content: str
    created_at: datetime | None = None
    updated_at: datetime | None = None


class PortfolioCommentRequest(BaseModel):
    content: str = Field(..., min_length=1)


class PortfolioCommentUpdateRequest(BaseModel):
    content: str = Field(..., min_length=1)


class PortfolioCommentListResponse(BaseModel):
    comments: list[PortfolioCommentItem]
    total: int


# ---------------------------------------------------------------------------
# POST/PATCH /v1/assets (admin catalog management — REQ-010)
# ---------------------------------------------------------------------------

class AssetCatalogCreateRequest(BaseModel):
    symbol: str = Field(..., min_length=1)
    markets: list[str] = Field(default_factory=list)
    display_name: str | None = None
    status: str = "active"


class AssetCatalogUpdateRequest(BaseModel):
    markets: list[str] | None = None
    display_name: str | None = None
    status: str | None = None


class AssetCatalogResponse(BaseModel):
    asset_id: str
    symbol: str
    markets: list[str]
    display_name: str | None = None
    status: str
    created_at: datetime | None = None
    updated_at: datetime | None = None


class AssetCatalogListResponse(BaseModel):
    items: list[AssetCatalogResponse]
    total: int