# Models and Data Structures
# Contains Pydantic models and data structures to avoid circular imports

from pydantic import BaseModel
from typing import List, Dict, Any, Optional, Literal

class ExportSection(BaseModel):
    """Represents a section of content for export"""
    title: str
    content: str
    key: Optional[str] = None
    order: Optional[int] = None

class ExportRequest(BaseModel):
    """Request model for document export"""
    sections: List[ExportSection]
    businessIdea: str
    summary: str
    format: Literal["pdf", "word"] = "pdf"
    chartImages: Optional[List[str]] = None
    includeCharts: bool = True
    includeTOC: bool = True

class ExportResponse(BaseModel):
    """Response model for document export"""
    success: bool
    message: str
    filename: Optional[str] = None
    size: Optional[int] = None
    downloadUrl: Optional[str] = None
    documentData: Optional[str] = None

class SectionJob(BaseModel):
    """Job model for section generation"""
    sectionKey: str
    # The server will load prompt/model defaults from GeneratePrompt.
    # Client MAY override but is not required to send these.
    prompt: Optional[str] = None
    promptVariables: Dict[str, str] = {}
    model: Optional[str] = None
    provider: Optional[str] = None
    temperature: Optional[float] = None
    maxTokens: Optional[int] = None

class BatchGenerateRequest(BaseModel):
    """Request model for batch generation"""
    answers: List[str]
    planType: Optional[str] = "free"
    businessPlanId: Optional[str] = None
    countryCode: Optional[str] = None
    businessIdea: Optional[str] = None
    anonymousId: Optional[str] = None
    generateId: Optional[str] = None
    feedback: Optional[str] = None
    sections: List[SectionJob]
    format: Optional[str] = None
    chartImages: Optional[List[str]] = None

class GenerateRequest(BaseModel):
    """Request model for single section generation"""
    answers: List[str]
    model: str
    prompt: str
    promptVariables: Dict[str, str]
    provider: str
    temperature: float
    maxTokens: int
    # NEW — optional, for persistence & ownership
    businessPlanId: Optional[str] = None
    planType: Optional[str] = "free"
    userId: Optional[str] = None           # will be overridden by verified JWT
    anonymousId: Optional[str] = None
    countryCode: Optional[str] = None
    sectionKey: Optional[str] = None       # e.g. "prompt_ExecutiveSummary"
    returnContent: Optional[bool] = False  # NEW — default to id-only responses
    generateId: Optional[str] = None

class CreatePlanRequest(BaseModel):
    """Request model for creating a new business plan"""
    answers: List[str] = []
    planType: Optional[str] = "free"
    countryCode: Optional[str] = None
    anonymousId: Optional[str] = None
    businessIdea: Optional[str] = None
    generateId: Optional[str] = None