"""add ebook search tables.

Revision ID: 2db132cace1a
Revises: b3c60cc5beb5
Create Date: 2026-06-10 22:10:54.379159

"""

from __future__ import annotations

from typing import TYPE_CHECKING

import pgvector
import sqlalchemy as sa
from alembic import op

from python.orm import RichieBase

if TYPE_CHECKING:
    from collections.abc import Sequence

# revision identifiers, used by Alembic.
revision: str = "2db132cace1a"
down_revision: str | None = "b3c60cc5beb5"
branch_labels: str | Sequence[str] | None = None
depends_on: str | Sequence[str] | None = None

schema = RichieBase.schema_name


def upgrade() -> None:
    """Upgrade."""
    # ### commands auto generated by Alembic - please adjust! ###
    op.create_table(
        "ebook_embedding_model",
        sa.Column("name", sa.String(), nullable=False),
        sa.Column("dimension", sa.Integer(), nullable=False),
        sa.Column("is_default", sa.Boolean(), nullable=False),
        sa.Column("id", sa.Integer(), nullable=False),
        sa.Column("created", sa.DateTime(timezone=True), server_default=sa.text("now()"), nullable=False),
        sa.Column("updated", sa.DateTime(timezone=True), server_default=sa.text("now()"), nullable=False),
        sa.PrimaryKeyConstraint("id", name=op.f("pk_ebook_embedding_model")),
        sa.UniqueConstraint("name", name=op.f("uq_ebook_embedding_model_name")),
        schema=schema,
    )
    op.create_table(
        "ebook_source",
        sa.Column("title", sa.String(), nullable=False),
        sa.Column("author", sa.String(), nullable=True),
        sa.Column("language", sa.String(), nullable=True),
        sa.Column("publisher", sa.String(), nullable=True),
        sa.Column("identifier", sa.String(), nullable=True),
        sa.Column("file_path", sa.String(), nullable=False),
        sa.Column("file_sha256", sa.String(length=64), nullable=False),
        sa.Column("file_mtime", sa.DateTime(timezone=True), nullable=False),
        sa.Column("file_size", sa.BigInteger(), nullable=False),
        sa.Column("id", sa.Integer(), nullable=False),
        sa.Column("created", sa.DateTime(timezone=True), server_default=sa.text("now()"), nullable=False),
        sa.Column("updated", sa.DateTime(timezone=True), server_default=sa.text("now()"), nullable=False),
        sa.PrimaryKeyConstraint("id", name=op.f("pk_ebook_source")),
        sa.UniqueConstraint("file_path", name=op.f("uq_ebook_source_file_path")),
        sa.UniqueConstraint("file_sha256", name=op.f("uq_ebook_source_file_sha256")),
        schema=schema,
    )
    op.create_table(
        "ebook_chapter",
        sa.Column("source_id", sa.Integer(), nullable=False),
        sa.Column("spine_index", sa.Integer(), nullable=False),
        sa.Column("title", sa.String(), nullable=True),
        sa.Column("href", sa.String(), nullable=True),
        sa.Column("id", sa.Integer(), nullable=False),
        sa.Column("created", sa.DateTime(timezone=True), server_default=sa.text("now()"), nullable=False),
        sa.Column("updated", sa.DateTime(timezone=True), server_default=sa.text("now()"), nullable=False),
        sa.ForeignKeyConstraint(
            ["source_id"],
            [f"{schema}.ebook_source.id"],
            name=op.f("fk_ebook_chapter_source_id_ebook_source"),
            ondelete="CASCADE",
        ),
        sa.PrimaryKeyConstraint("id", name=op.f("pk_ebook_chapter")),
        sa.UniqueConstraint("source_id", "spine_index", name=op.f("uq_ebook_chapter_source_id")),
        schema=schema,
    )
    op.create_table(
        "ebook_chunk",
        sa.Column("source_id", sa.Integer(), nullable=False),
        sa.Column("chapter_id", sa.Integer(), nullable=True),
        sa.Column("chunk_index", sa.Integer(), nullable=False),
        sa.Column("text", sa.String(), nullable=False),
        sa.Column("token_start", sa.Integer(), nullable=False),
        sa.Column("token_count", sa.Integer(), nullable=False),
        sa.Column("page_label", sa.String(), nullable=True),
        sa.Column("content_sha256", sa.String(length=64), nullable=False),
        sa.Column("search_text", sa.String(), nullable=False),
        sa.Column("id", sa.BigInteger(), nullable=False),
        sa.Column("created", sa.DateTime(timezone=True), server_default=sa.text("now()"), nullable=False),
        sa.Column("updated", sa.DateTime(timezone=True), server_default=sa.text("now()"), nullable=False),
        sa.ForeignKeyConstraint(
            ["chapter_id"],
            [f"{schema}.ebook_chapter.id"],
            name=op.f("fk_ebook_chunk_chapter_id_ebook_chapter"),
            ondelete="SET NULL",
        ),
        sa.ForeignKeyConstraint(
            ["source_id"],
            [f"{schema}.ebook_source.id"],
            name=op.f("fk_ebook_chunk_source_id_ebook_source"),
            ondelete="CASCADE",
        ),
        sa.PrimaryKeyConstraint("id", name=op.f("pk_ebook_chunk")),
        sa.UniqueConstraint("source_id", "chunk_index", name="uq_ebook_chunk_source_id_chunk_index"),
        sa.UniqueConstraint("source_id", "content_sha256", name="uq_ebook_chunk_source_id_content_sha256"),
        schema=schema,
    )
    op.create_table(
        "ebook_chunk_embedding_1024",
        sa.Column("chunk_id", sa.BigInteger(), nullable=False),
        sa.Column("model_id", sa.Integer(), nullable=False),
        sa.Column("embedding", pgvector.sqlalchemy.vector.VECTOR(dim=1024), nullable=False),
        sa.Column("id", sa.BigInteger(), nullable=False),
        sa.Column("created", sa.DateTime(timezone=True), server_default=sa.text("now()"), nullable=False),
        sa.Column("updated", sa.DateTime(timezone=True), server_default=sa.text("now()"), nullable=False),
        sa.ForeignKeyConstraint(
            ["chunk_id"],
            [f"{schema}.ebook_chunk.id"],
            name=op.f("fk_ebook_chunk_embedding_1024_chunk_id_ebook_chunk"),
            ondelete="CASCADE",
        ),
        sa.ForeignKeyConstraint(
            ["model_id"],
            [f"{schema}.ebook_embedding_model.id"],
            name=op.f("fk_ebook_chunk_embedding_1024_model_id_ebook_embedding_model"),
            ondelete="CASCADE",
        ),
        sa.PrimaryKeyConstraint("id", name=op.f("pk_ebook_chunk_embedding_1024")),
        sa.UniqueConstraint("chunk_id", "model_id", name=op.f("uq_ebook_chunk_embedding_1024_chunk_id")),
        schema=schema,
    )
    op.create_table(
        "ebook_chunk_embedding_2560",
        sa.Column("chunk_id", sa.BigInteger(), nullable=False),
        sa.Column("model_id", sa.Integer(), nullable=False),
        sa.Column("embedding", pgvector.sqlalchemy.vector.VECTOR(dim=2560), nullable=False),
        sa.Column("id", sa.BigInteger(), nullable=False),
        sa.Column("created", sa.DateTime(timezone=True), server_default=sa.text("now()"), nullable=False),
        sa.Column("updated", sa.DateTime(timezone=True), server_default=sa.text("now()"), nullable=False),
        sa.ForeignKeyConstraint(
            ["chunk_id"],
            [f"{schema}.ebook_chunk.id"],
            name=op.f("fk_ebook_chunk_embedding_2560_chunk_id_ebook_chunk"),
            ondelete="CASCADE",
        ),
        sa.ForeignKeyConstraint(
            ["model_id"],
            [f"{schema}.ebook_embedding_model.id"],
            name=op.f("fk_ebook_chunk_embedding_2560_model_id_ebook_embedding_model"),
            ondelete="CASCADE",
        ),
        sa.PrimaryKeyConstraint("id", name=op.f("pk_ebook_chunk_embedding_2560")),
        sa.UniqueConstraint("chunk_id", "model_id", name=op.f("uq_ebook_chunk_embedding_2560_chunk_id")),
        schema=schema,
    )
    op.create_table(
        "ebook_chunk_embedding_4096",
        sa.Column("chunk_id", sa.BigInteger(), nullable=False),
        sa.Column("model_id", sa.Integer(), nullable=False),
        sa.Column("embedding", pgvector.sqlalchemy.vector.VECTOR(dim=4096), nullable=False),
        sa.Column("id", sa.BigInteger(), nullable=False),
        sa.Column("created", sa.DateTime(timezone=True), server_default=sa.text("now()"), nullable=False),
        sa.Column("updated", sa.DateTime(timezone=True), server_default=sa.text("now()"), nullable=False),
        sa.ForeignKeyConstraint(
            ["chunk_id"],
            [f"{schema}.ebook_chunk.id"],
            name=op.f("fk_ebook_chunk_embedding_4096_chunk_id_ebook_chunk"),
            ondelete="CASCADE",
        ),
        sa.ForeignKeyConstraint(
            ["model_id"],
            [f"{schema}.ebook_embedding_model.id"],
            name=op.f("fk_ebook_chunk_embedding_4096_model_id_ebook_embedding_model"),
            ondelete="CASCADE",
        ),
        sa.PrimaryKeyConstraint("id", name=op.f("pk_ebook_chunk_embedding_4096")),
        sa.UniqueConstraint("chunk_id", "model_id", name=op.f("uq_ebook_chunk_embedding_4096_chunk_id")),
        schema=schema,
    )
    # ### end Alembic commands ###


def downgrade() -> None:
    """Downgrade."""
    # ### commands auto generated by Alembic - please adjust! ###
    op.drop_table("ebook_chunk_embedding_4096", schema=schema)
    op.drop_table("ebook_chunk_embedding_2560", schema=schema)
    op.drop_table("ebook_chunk_embedding_1024", schema=schema)
    op.drop_table("ebook_chunk", schema=schema)
    op.drop_table("ebook_chapter", schema=schema)
    op.drop_table("ebook_source", schema=schema)
    op.drop_table("ebook_embedding_model", schema=schema)
    # ### end Alembic commands ###
