import uuid
from datetime import datetime, timezone

from sqlalchemy import DateTime, ForeignKey, Integer, Text, UniqueConstraint
from sqlalchemy.dialects.postgresql import JSONB, UUID
from sqlalchemy.orm import Mapped, mapped_column

from ..database import Base


class AdventureEntity(Base):
    __tablename__ = "choose_your_own_adventure"

    id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
    user_id: Mapped[uuid.UUID] = mapped_column(
        UUID(as_uuid=True), ForeignKey("users.id", ondelete="CASCADE"), nullable=False, index=True
    )
    status: Mapped[str] = mapped_column(Text, nullable=False, default="awaiting_first_entry")
    language: Mapped[str] = mapped_column(Text, nullable=False)
    source_language: Mapped[str] = mapped_column(Text, nullable=False)
    competencies: Mapped[list] = mapped_column(JSONB, nullable=False, default=list)
    max_entry_count: Mapped[int] = mapped_column(Integer, nullable=False, default=6)
    entry_story_text_target_length: Mapped[dict] = mapped_column(
        JSONB, nullable=False, default=lambda: {"min": 700, "max": 800}
    )
    title: Mapped[str] = mapped_column(Text, nullable=False, default="Untitled adventure")
    description: Mapped[str | None] = mapped_column(Text, nullable=True)
    plot_summary: Mapped[str | None] = mapped_column(Text, nullable=True)
    genres: Mapped[list] = mapped_column(JSONB, nullable=False, default=list)
    setting: Mapped[list] = mapped_column(JSONB, nullable=False, default=list)
    vibes: Mapped[list] = mapped_column(JSONB, nullable=False, default=list)
    protagonist: Mapped[list] = mapped_column(JSONB, nullable=False, default=list)
    created_at: Mapped[datetime] = mapped_column(
        DateTime(timezone=True), nullable=False, default=lambda: datetime.now(timezone.utc)
    )
    deleted_at: Mapped[datetime | None] = mapped_column(DateTime(timezone=True), nullable=True)


class AdventureEntryEntity(Base):
    __tablename__ = "choose_your_own_adventure_entry"
    __table_args__ = (
        UniqueConstraint("adventure_id", "entry_index", name="uq_cyoa_entry_adventure_index"),
    )

    id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
    adventure_id: Mapped[uuid.UUID] = mapped_column(
        UUID(as_uuid=True),
        ForeignKey("choose_your_own_adventure.id", ondelete="CASCADE"),
        nullable=False,
        index=True,
    )
    generated_from_choice_id: Mapped[uuid.UUID | None] = mapped_column(
        UUID(as_uuid=True),
        ForeignKey(
            "choose_your_own_adventure_entry_possible_choice.id", ondelete="SET NULL"
        ),
        nullable=True,
    )
    status: Mapped[str] = mapped_column(Text, nullable=False, default="generating")
    entry_index: Mapped[int] = mapped_column(Integer, nullable=False)
    story_text: Mapped[str | None] = mapped_column(Text, nullable=True)
    gamemaster_notes: Mapped[str | None] = mapped_column(Text, nullable=True)
    llm_data: Mapped[dict | None] = mapped_column(JSONB, nullable=True)
    created_at: Mapped[datetime] = mapped_column(
        DateTime(timezone=True), nullable=False, default=lambda: datetime.now(timezone.utc)
    )


class AdventureEntryPossibleChoiceEntity(Base):
    __tablename__ = "choose_your_own_adventure_entry_possible_choice"
    __table_args__ = (
        UniqueConstraint("entry_id", "index", name="uq_cyoa_choice_entry_index"),
    )

    id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
    entry_id: Mapped[uuid.UUID] = mapped_column(
        UUID(as_uuid=True),
        ForeignKey("choose_your_own_adventure_entry.id", ondelete="CASCADE"),
        nullable=False,
        index=True,
    )
    index: Mapped[int] = mapped_column(Integer, nullable=False)
    label: Mapped[str] = mapped_column(Text, nullable=False)
    text: Mapped[str] = mapped_column(Text, nullable=False)
    created_at: Mapped[datetime] = mapped_column(
        DateTime(timezone=True), nullable=False, default=lambda: datetime.now(timezone.utc)
    )


class AdventureEntryPossibleChoiceDecisionEntity(Base):
    __tablename__ = "choose_your_own_adventure_entry_possible_choice_decision"

    id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
    choice_id: Mapped[uuid.UUID] = mapped_column(
        UUID(as_uuid=True),
        ForeignKey(
            "choose_your_own_adventure_entry_possible_choice.id", ondelete="CASCADE"
        ),
        nullable=False,
        index=True,
    )
    user_id: Mapped[uuid.UUID] = mapped_column(
        UUID(as_uuid=True), ForeignKey("users.id", ondelete="CASCADE"), nullable=False, index=True
    )
    created_at: Mapped[datetime] = mapped_column(
        DateTime(timezone=True), nullable=False, default=lambda: datetime.now(timezone.utc)
    )


class AdventureEntryTranslationEntity(Base):
    __tablename__ = "choose_your_own_adventure_entry_translation"
    __table_args__ = (
        UniqueConstraint(
            "entry_id", "component_type", "target_language",
            name="uq_cyoa_translation_entry_component_lang",
        ),
    )

    id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
    entry_id: Mapped[uuid.UUID] = mapped_column(
        UUID(as_uuid=True),
        ForeignKey("choose_your_own_adventure_entry.id", ondelete="CASCADE"),
        nullable=False,
        index=True,
    )
    component_type: Mapped[str] = mapped_column(Text, nullable=False, default="story_text")
    target_language: Mapped[str] = mapped_column(Text, nullable=False)
    translated_text: Mapped[str] = mapped_column(Text, nullable=False)


class AdventureEntryAudioEntity(Base):
    __tablename__ = "choose_your_own_adventure_entry_audio"
    __table_args__ = (
        UniqueConstraint("entry_id", "component_type", name="uq_cyoa_audio_entry_component"),
    )

    id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
    entry_id: Mapped[uuid.UUID] = mapped_column(
        UUID(as_uuid=True),
        ForeignKey("choose_your_own_adventure_entry.id", ondelete="CASCADE"),
        nullable=False,
        index=True,
    )
    component_type: Mapped[str] = mapped_column(Text, nullable=False, default="story_text")
    tts_provider: Mapped[str] = mapped_column(Text, nullable=False, default="google_gemini")
    tts_options: Mapped[dict | None] = mapped_column(JSONB, nullable=True)
    file_name: Mapped[str] = mapped_column(Text, nullable=False)
    created_at: Mapped[datetime] = mapped_column(
        DateTime(timezone=True), nullable=False, default=lambda: datetime.now(timezone.utc)
    )