"""initial tables

Revision ID: 97ef9b957a02
Revises: 
Create Date: 2026-03-30 18:20:24.251948

"""
from typing import Sequence, Union

from alembic import op
import sqlalchemy as sa


# revision identifiers, used by Alembic.
revision: str = '97ef9b957a02'
down_revision: Union[str, None] = None
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None


def upgrade() -> None:
    # ### commands auto generated by Alembic - please adjust! ###
    op.create_table('users',
    sa.Column('id', sa.Integer(), nullable=False),
    sa.Column('email', sa.String(), nullable=False),
    sa.Column('hashed_password', sa.String(), nullable=False),
    sa.Column('name', sa.String(), nullable=False),
    sa.Column('created_at', sa.DateTime(), nullable=True),
    sa.PrimaryKeyConstraint('id')
    )
    op.create_index(op.f('ix_users_email'), 'users', ['email'], unique=True)
    op.create_index(op.f('ix_users_id'), 'users', ['id'], unique=False)
    op.create_table('pdf_documents',
    sa.Column('id', sa.Integer(), nullable=False),
    sa.Column('user_id', sa.Integer(), nullable=False),
    sa.Column('filename', sa.String(), nullable=False),
    sa.Column('original_filename', sa.String(), nullable=False),
    sa.Column('total_pages', sa.Integer(), nullable=True),
    sa.Column('status', sa.String(), nullable=True),
    sa.Column('error_message', sa.String(), nullable=True),
    sa.Column('uploaded_at', sa.DateTime(), nullable=True),
    sa.ForeignKeyConstraint(['user_id'], ['users.id'], ),
    sa.PrimaryKeyConstraint('id')
    )
    op.create_index(op.f('ix_pdf_documents_id'), 'pdf_documents', ['id'], unique=False)
    op.create_table('sections',
    sa.Column('id', sa.Integer(), nullable=False),
    sa.Column('document_id', sa.Integer(), nullable=False),
    sa.Column('name', sa.String(), nullable=False),
    sa.Column('start_page', sa.Integer(), nullable=False),
    sa.Column('end_page', sa.Integer(), nullable=False),
    sa.ForeignKeyConstraint(['document_id'], ['pdf_documents.id'], ),
    sa.PrimaryKeyConstraint('id')
    )
    op.create_index(op.f('ix_sections_id'), 'sections', ['id'], unique=False)
    op.create_table('quizzes',
    sa.Column('id', sa.Integer(), nullable=False),
    sa.Column('section_id', sa.Integer(), nullable=False),
    sa.Column('user_id', sa.Integer(), nullable=False),
    sa.Column('title', sa.String(), nullable=False),
    sa.Column('questions_count', sa.Integer(), nullable=True),
    sa.Column('created_at', sa.DateTime(), nullable=True),
    sa.ForeignKeyConstraint(['section_id'], ['sections.id'], ),
    sa.ForeignKeyConstraint(['user_id'], ['users.id'], ),
    sa.PrimaryKeyConstraint('id')
    )
    op.create_index(op.f('ix_quizzes_id'), 'quizzes', ['id'], unique=False)
    op.create_table('questions',
    sa.Column('id', sa.Integer(), nullable=False),
    sa.Column('quiz_id', sa.Integer(), nullable=False),
    sa.Column('question_text', sa.Text(), nullable=False),
    sa.Column('question_type', sa.String(), nullable=False),
    sa.Column('options', sa.JSON(), nullable=True),
    sa.Column('correct_answer', sa.String(), nullable=False),
    sa.Column('explanation', sa.Text(), nullable=True),
    sa.Column('page_reference', sa.Integer(), nullable=True),
    sa.ForeignKeyConstraint(['quiz_id'], ['quizzes.id'], ),
    sa.PrimaryKeyConstraint('id')
    )
    op.create_index(op.f('ix_questions_id'), 'questions', ['id'], unique=False)
    op.create_table('quiz_attempts',
    sa.Column('id', sa.Integer(), nullable=False),
    sa.Column('quiz_id', sa.Integer(), nullable=False),
    sa.Column('user_id', sa.Integer(), nullable=False),
    sa.Column('score', sa.Integer(), nullable=True),
    sa.Column('total_questions', sa.Integer(), nullable=True),
    sa.Column('started_at', sa.DateTime(), nullable=True),
    sa.Column('completed_at', sa.DateTime(), nullable=True),
    sa.ForeignKeyConstraint(['quiz_id'], ['quizzes.id'], ),
    sa.ForeignKeyConstraint(['user_id'], ['users.id'], ),
    sa.PrimaryKeyConstraint('id')
    )
    op.create_index(op.f('ix_quiz_attempts_id'), 'quiz_attempts', ['id'], unique=False)
    op.create_table('reminder_schedules',
    sa.Column('id', sa.Integer(), nullable=False),
    sa.Column('user_id', sa.Integer(), nullable=False),
    sa.Column('quiz_id', sa.Integer(), nullable=False),
    sa.Column('next_reminder_at', sa.DateTime(), nullable=False),
    sa.Column('interval_days', sa.Integer(), nullable=True),
    sa.Column('performance_score', sa.Float(), nullable=True),
    sa.Column('is_active', sa.Boolean(), nullable=True),
    sa.Column('created_at', sa.DateTime(), nullable=True),
    sa.Column('updated_at', sa.DateTime(), nullable=True),
    sa.ForeignKeyConstraint(['quiz_id'], ['quizzes.id'], ),
    sa.ForeignKeyConstraint(['user_id'], ['users.id'], ),
    sa.PrimaryKeyConstraint('id')
    )
    op.create_index(op.f('ix_reminder_schedules_id'), 'reminder_schedules', ['id'], unique=False)
    op.create_table('attempt_answers',
    sa.Column('id', sa.Integer(), nullable=False),
    sa.Column('attempt_id', sa.Integer(), nullable=False),
    sa.Column('question_id', sa.Integer(), nullable=False),
    sa.Column('user_answer', sa.String(), nullable=False),
    sa.Column('is_correct', sa.Boolean(), nullable=True),
    sa.ForeignKeyConstraint(['attempt_id'], ['quiz_attempts.id'], ),
    sa.ForeignKeyConstraint(['question_id'], ['questions.id'], ),
    sa.PrimaryKeyConstraint('id')
    )
    op.create_index(op.f('ix_attempt_answers_id'), 'attempt_answers', ['id'], unique=False)
    # ### end Alembic commands ###


def downgrade() -> None:
    # ### commands auto generated by Alembic - please adjust! ###
    op.drop_index(op.f('ix_attempt_answers_id'), table_name='attempt_answers')
    op.drop_table('attempt_answers')
    op.drop_index(op.f('ix_reminder_schedules_id'), table_name='reminder_schedules')
    op.drop_table('reminder_schedules')
    op.drop_index(op.f('ix_quiz_attempts_id'), table_name='quiz_attempts')
    op.drop_table('quiz_attempts')
    op.drop_index(op.f('ix_questions_id'), table_name='questions')
    op.drop_table('questions')
    op.drop_index(op.f('ix_quizzes_id'), table_name='quizzes')
    op.drop_table('quizzes')
    op.drop_index(op.f('ix_sections_id'), table_name='sections')
    op.drop_table('sections')
    op.drop_index(op.f('ix_pdf_documents_id'), table_name='pdf_documents')
    op.drop_table('pdf_documents')
    op.drop_index(op.f('ix_users_id'), table_name='users')
    op.drop_index(op.f('ix_users_email'), table_name='users')
    op.drop_table('users')
    # ### end Alembic commands ###