from typing import Union, Literal, Optional
from pydantic import BaseModel, Field

## File doesn't do anything, its just an outline for the schemas

class BaseEntry(BaseModel):
    title:  str = Field(description="The name of the opportunity")
    org:    str = Field(description="The organisation")
    summary:str = Field(description="A 3 sentence summary of what this is")
    
class Event(BaseEntry):
    type:       Literal["event"] = "event"
    date_time:  str = Field(description="Date and time of the event")
    end_date:   Optional[str] = Field(default=None, description="End date and time if multi-day event")
    location:   str = Field(description="Location of the event")

class Opportunity(BaseEntry):
    type:       str = Field(description="The type of opportunity (Open Call, Funding, Residency, etc.)")
    deadline:   str = Field(description="What is the deadline in the format of dd-mm-yy")
    location:   str = Field(description="Location of entry")

class Workshop(BaseEntry):
    type:       Literal["workshop"] = "workshop"
    date_time:  str = Field(description="Start date and time of the workshop")
    end_date:   Optional[str] = Field(default=None, description="End date and time if multi-day workshop")
    location:   str = Field(description="Location of the workshop")

EntrySchema = Union[Event, Opportunity, Workshop]