"""Initial schema

Revision ID: e5ffbf97468e
Revises: 
Create Date: 2025-11-01 11:55:11.896876

"""
from typing import Sequence, Union

from alembic import op
import sqlalchemy as sa


# revision identifiers, used by Alembic.
revision: str = 'e5ffbf97468e'
down_revision: Union[str, Sequence[str], None] = None
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None


def upgrade() -> None:
    """Upgrade schema."""
    # ### commands auto generated by Alembic - please adjust! ###
    op.create_table('books',
    sa.Column('id', sa.Integer(), autoincrement=True, nullable=False),
    sa.Column('title', sa.String(length=500), nullable=False),
    sa.Column('author', sa.String(length=255), nullable=True),
    sa.Column('original_file_path', sa.String(length=1000), nullable=False),
    sa.Column('markdown_file_path', sa.String(length=1000), nullable=False),
    sa.Column('source_type', sa.Enum('PDF', 'MARKDOWN', name='sourcetype'), nullable=False),
    sa.Column('file_hash', sa.String(length=64), nullable=False),
    sa.Column('added_date', sa.DateTime(), nullable=False),
    sa.Column('modified_date', sa.DateTime(), nullable=False),
    sa.Column('pdf_creation_date', sa.DateTime(), nullable=True),
    sa.Column('pdf_mod_date', sa.DateTime(), nullable=True),
    sa.Column('pdf_creator', sa.String(length=255), nullable=True),
    sa.Column('pdf_producer', sa.String(length=255), nullable=True),
    sa.Column('page_count', sa.Integer(), nullable=True),
    sa.Column('word_count', sa.Integer(), nullable=True),
    sa.Column('chapter_count', sa.Integer(), nullable=True),
    sa.Column('subject', sa.String(length=500), nullable=True),
    sa.Column('keywords', sa.Text(), nullable=True),
    sa.Column('category', sa.String(length=100), nullable=True),
    sa.Column('tags', sa.JSON(), nullable=True),
    sa.Column('isbn', sa.String(length=20), nullable=True),
    sa.Column('publisher', sa.String(length=255), nullable=True),
    sa.Column('publication_year', sa.Integer(), nullable=True),
    sa.Column('language', sa.String(length=10), nullable=True),
    sa.PrimaryKeyConstraint('id'),
    sa.UniqueConstraint('file_hash')
    )
    op.create_index(op.f('ix_books_author'), 'books', ['author'], unique=False)
    op.create_index(op.f('ix_books_category'), 'books', ['category'], unique=False)
    op.create_index(op.f('ix_books_source_type'), 'books', ['source_type'], unique=False)
    op.create_index(op.f('ix_books_title'), 'books', ['title'], unique=False)
    op.create_table('book_notes',
    sa.Column('id', sa.Integer(), autoincrement=True, nullable=False),
    sa.Column('book_id', sa.Integer(), nullable=False),
    sa.Column('note_type', sa.Enum('SUMMARY', 'REVIEW', 'TAG', 'OTHER', name='notetype'), nullable=False),
    sa.Column('content', sa.Text(), nullable=False),
    sa.Column('created_date', sa.DateTime(), nullable=False),
    sa.ForeignKeyConstraint(['book_id'], ['books.id'], ondelete='CASCADE'),
    sa.PrimaryKeyConstraint('id')
    )
    op.create_index('idx_book_type', 'book_notes', ['book_id', 'note_type'], unique=False)
    # ### end Alembic commands ###


def downgrade() -> None:
    """Downgrade schema."""
    # ### commands auto generated by Alembic - please adjust! ###
    op.drop_index('idx_book_type', table_name='book_notes')
    op.drop_table('book_notes')
    op.drop_index(op.f('ix_books_title'), table_name='books')
    op.drop_index(op.f('ix_books_source_type'), table_name='books')
    op.drop_index(op.f('ix_books_category'), table_name='books')
    op.drop_index(op.f('ix_books_author'), table_name='books')
    op.drop_table('books')
    # ### end Alembic commands ###