"""0001 инициализация

Revision ID: 6241a16321b4
Revises: 
Create Date: 2025-11-27 13:33:22.506743

"""
from typing import Sequence, Union

from alembic import op
import sqlalchemy as sa


# revision identifiers, used by Alembic.
revision: str = '6241a16321b4'
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('courses',
    sa.Column('title', sa.String(length=250), nullable=False),
    sa.Column('description', sa.String(length=1000), nullable=True),
    sa.Column('photo_filename', sa.String(), nullable=False),
    sa.Column('photo_path', sa.String(), nullable=False),
    sa.Column('id', sa.Integer(), autoincrement=True, nullable=False),
    sa.Column('created_at', sa.DateTime(), server_default=sa.text('now()'), nullable=False),
    sa.Column('updated_at', sa.DateTime(), server_default=sa.text('now()'), nullable=False),
    sa.PrimaryKeyConstraint('id'),
    schema='public'
    )
    op.create_table('roles',
    sa.Column('title', sa.String(length=150), nullable=False),
    sa.Column('id', sa.Integer(), autoincrement=True, nullable=False),
    sa.Column('created_at', sa.DateTime(), server_default=sa.text('now()'), nullable=False),
    sa.Column('updated_at', sa.DateTime(), server_default=sa.text('now()'), nullable=False),
    sa.PrimaryKeyConstraint('id'),
    sa.UniqueConstraint('title'),
    schema='public'
    )
    op.create_table('statuses',
    sa.Column('title', sa.String(length=250), nullable=False),
    sa.Column('id', sa.Integer(), autoincrement=True, nullable=False),
    sa.Column('created_at', sa.DateTime(), server_default=sa.text('now()'), nullable=False),
    sa.Column('updated_at', sa.DateTime(), server_default=sa.text('now()'), nullable=False),
    sa.PrimaryKeyConstraint('id'),
    sa.UniqueConstraint('title'),
    schema='public'
    )
    op.create_table('users',
    sa.Column('first_name', sa.String(length=250), nullable=False),
    sa.Column('last_name', sa.String(length=250), nullable=False),
    sa.Column('patronymic', sa.String(length=250), nullable=True),
    sa.Column('login', sa.String(length=250), nullable=False),
    sa.Column('password_hash', sa.String(), nullable=False),
    sa.Column('email', sa.String(length=250), nullable=True),
    sa.Column('birthdate', sa.Date(), nullable=False),
    sa.Column('reg_date', sa.Date(), nullable=False),
    sa.Column('last_visit', sa.DateTime(), nullable=True),
    sa.Column('photo_filename', sa.String(length=250), nullable=True),
    sa.Column('photo_path', sa.String(), nullable=True),
    sa.Column('status_id', sa.Integer(), nullable=False),
    sa.Column('role_id', sa.Integer(), nullable=False),
    sa.Column('id', sa.Integer(), autoincrement=True, nullable=False),
    sa.Column('created_at', sa.DateTime(), server_default=sa.text('now()'), nullable=False),
    sa.Column('updated_at', sa.DateTime(), server_default=sa.text('now()'), nullable=False),
    sa.ForeignKeyConstraint(['role_id'], ['public.roles.id'], ),
    sa.ForeignKeyConstraint(['status_id'], ['public.statuses.id'], ),
    sa.PrimaryKeyConstraint('id'),
    sa.UniqueConstraint('email'),
    sa.UniqueConstraint('login'),
    schema='public'
    )
    op.create_table('course_teachers',
    sa.Column('course_id', sa.Integer(), nullable=False),
    sa.Column('teacher_id', sa.Integer(), nullable=False),
    sa.Column('id', sa.Integer(), autoincrement=True, nullable=False),
    sa.Column('created_at', sa.DateTime(), server_default=sa.text('now()'), nullable=False),
    sa.Column('updated_at', sa.DateTime(), server_default=sa.text('now()'), nullable=False),
    sa.ForeignKeyConstraint(['course_id'], ['public.courses.id'], ),
    sa.ForeignKeyConstraint(['teacher_id'], ['public.users.id'], ),
    sa.PrimaryKeyConstraint('id'),
    schema='public'
    )
    op.create_table('enrollments',
    sa.Column('enrollment_date', sa.DateTime(), nullable=False),
    sa.Column('course_id', sa.Integer(), nullable=False),
    sa.Column('student_id', sa.Integer(), nullable=False),
    sa.Column('id', sa.Integer(), autoincrement=True, nullable=False),
    sa.Column('created_at', sa.DateTime(), server_default=sa.text('now()'), nullable=False),
    sa.Column('updated_at', sa.DateTime(), server_default=sa.text('now()'), nullable=False),
    sa.ForeignKeyConstraint(['course_id'], ['public.courses.id'], ),
    sa.ForeignKeyConstraint(['student_id'], ['public.users.id'], ),
    sa.PrimaryKeyConstraint('id'),
    schema='public'
    )
    op.create_table('lessons',
    sa.Column('title', sa.String(length=250), nullable=False),
    sa.Column('description', sa.String(), nullable=True),
    sa.Column('text', sa.String(), nullable=True),
    sa.Column('number', sa.Integer(), nullable=False),
    sa.Column('course_id', sa.Integer(), nullable=False),
    sa.Column('creator_id', sa.Integer(), nullable=False),
    sa.Column('id', sa.Integer(), autoincrement=True, nullable=False),
    sa.Column('created_at', sa.DateTime(), server_default=sa.text('now()'), nullable=False),
    sa.Column('updated_at', sa.DateTime(), server_default=sa.text('now()'), nullable=False),
    sa.ForeignKeyConstraint(['course_id'], ['public.courses.id'], ),
    sa.ForeignKeyConstraint(['creator_id'], ['public.users.id'], ),
    sa.PrimaryKeyConstraint('id'),
    schema='public'
    )
    op.create_table('tasks',
    sa.Column('title', sa.String(length=250), nullable=False),
    sa.Column('description', sa.String(), nullable=True),
    sa.Column('text', sa.String(), nullable=True),
    sa.Column('number', sa.Integer(), nullable=False),
    sa.Column('course_id', sa.Integer(), nullable=False),
    sa.Column('creator_id', sa.Integer(), nullable=False),
    sa.Column('id', sa.Integer(), autoincrement=True, nullable=False),
    sa.Column('created_at', sa.DateTime(), server_default=sa.text('now()'), nullable=False),
    sa.Column('updated_at', sa.DateTime(), server_default=sa.text('now()'), nullable=False),
    sa.ForeignKeyConstraint(['course_id'], ['public.courses.id'], ),
    sa.ForeignKeyConstraint(['creator_id'], ['public.users.id'], ),
    sa.PrimaryKeyConstraint('id'),
    schema='public'
    )
    op.create_table('lesson_files',
    sa.Column('lesson_id', sa.Integer(), nullable=False),
    sa.Column('filename', sa.String(), nullable=False),
    sa.Column('file_path', sa.String(), nullable=False),
    sa.Column('id', sa.Integer(), autoincrement=True, nullable=False),
    sa.Column('created_at', sa.DateTime(), server_default=sa.text('now()'), nullable=False),
    sa.Column('updated_at', sa.DateTime(), server_default=sa.text('now()'), nullable=False),
    sa.ForeignKeyConstraint(['lesson_id'], ['public.lessons.id'], ),
    sa.PrimaryKeyConstraint('id'),
    schema='public'
    )
    op.create_table('solutions',
    sa.Column('answer_text', sa.String(), nullable=True),
    sa.Column('assessment_text', sa.String(length=50), nullable=True),
    sa.Column('assessment_autor_id', sa.Integer(), nullable=True),
    sa.Column('task_id', sa.Integer(), nullable=False),
    sa.Column('student_id', sa.Integer(), nullable=False),
    sa.Column('id', sa.Integer(), autoincrement=True, nullable=False),
    sa.Column('created_at', sa.DateTime(), server_default=sa.text('now()'), nullable=False),
    sa.Column('updated_at', sa.DateTime(), server_default=sa.text('now()'), nullable=False),
    sa.ForeignKeyConstraint(['assessment_autor_id'], ['public.users.id'], ),
    sa.ForeignKeyConstraint(['student_id'], ['public.users.id'], ),
    sa.ForeignKeyConstraint(['task_id'], ['public.tasks.id'], ),
    sa.PrimaryKeyConstraint('id'),
    schema='public'
    )
    op.create_table('task_files',
    sa.Column('task_id', sa.Integer(), nullable=False),
    sa.Column('filename', sa.String(), nullable=False),
    sa.Column('file_path', sa.String(), nullable=False),
    sa.Column('id', sa.Integer(), autoincrement=True, nullable=False),
    sa.Column('created_at', sa.DateTime(), server_default=sa.text('now()'), nullable=False),
    sa.Column('updated_at', sa.DateTime(), server_default=sa.text('now()'), nullable=False),
    sa.ForeignKeyConstraint(['task_id'], ['public.tasks.id'], ),
    sa.PrimaryKeyConstraint('id'),
    schema='public'
    )
    op.create_table('solution_files',
    sa.Column('solution_id', sa.Integer(), nullable=False),
    sa.Column('filename', sa.String(), nullable=False),
    sa.Column('file_path', sa.String(), nullable=False),
    sa.Column('id', sa.Integer(), autoincrement=True, nullable=False),
    sa.Column('created_at', sa.DateTime(), server_default=sa.text('now()'), nullable=False),
    sa.Column('updated_at', sa.DateTime(), server_default=sa.text('now()'), nullable=False),
    sa.ForeignKeyConstraint(['solution_id'], ['public.solutions.id'], ),
    sa.PrimaryKeyConstraint('id'),
    schema='public'
    )
    # ### end Alembic commands ###


def downgrade() -> None:
    """Downgrade schema."""
    # ### commands auto generated by Alembic - please adjust! ###
    op.drop_table('solution_files', schema='public')
    op.drop_table('task_files', schema='public')
    op.drop_table('solutions', schema='public')
    op.drop_table('lesson_files', schema='public')
    op.drop_table('tasks', schema='public')
    op.drop_table('lessons', schema='public')
    op.drop_table('enrollments', schema='public')
    op.drop_table('course_teachers', schema='public')
    op.drop_table('users', schema='public')
    op.drop_table('statuses', schema='public')
    op.drop_table('roles', schema='public')
    op.drop_table('courses', schema='public')
    # ### end Alembic commands ###