"""initial schema

Revision ID: dccc902de1a4
Revises: 
Create Date: 2026-08-08 08:49:54.834751

"""
from typing import Sequence, Union

from alembic import op
import sqlalchemy as sa


# revision identifiers, used by Alembic.
revision: str = 'dccc902de1a4'
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.UUID(), nullable=False),
    sa.Column('email', sa.String(length=255), nullable=False),
    sa.Column('hashed_password', sa.String(length=255), nullable=False),
    sa.Column('display_name', sa.String(length=100), nullable=False),
    sa.Column('created_at', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=False),
    sa.PrimaryKeyConstraint('id')
    )
    op.create_index(op.f('ix_users_email'), 'users', ['email'], unique=True)
    op.create_table('songs',
    sa.Column('id', sa.UUID(), nullable=False),
    sa.Column('user_id', sa.UUID(), nullable=False),
    sa.Column('title', sa.String(length=200), nullable=False),
    sa.Column('prompt', sa.Text(), nullable=False),
    sa.Column('lyrics', sa.Text(), nullable=True),
    sa.Column('mode', sa.String(length=20), nullable=False),
    sa.Column('status', sa.String(length=20), nullable=False),
    sa.Column('error_message', sa.Text(), nullable=True),
    sa.Column('audio_path', sa.String(length=500), nullable=True),
    sa.Column('duration_seconds', sa.Float(), nullable=True),
    sa.Column('cover_seed', sa.Integer(), nullable=False),
    sa.Column('is_public', sa.Boolean(), nullable=False),
    sa.Column('like_count', sa.Integer(), nullable=False),
    sa.Column('created_at', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=False),
    sa.Column('updated_at', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=False),
    sa.ForeignKeyConstraint(['user_id'], ['users.id'], ondelete='CASCADE'),
    sa.PrimaryKeyConstraint('id')
    )
    op.create_table('likes',
    sa.Column('id', sa.UUID(), nullable=False),
    sa.Column('user_id', sa.UUID(), nullable=False),
    sa.Column('song_id', sa.UUID(), nullable=False),
    sa.Column('created_at', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=False),
    sa.ForeignKeyConstraint(['song_id'], ['songs.id'], ondelete='CASCADE'),
    sa.ForeignKeyConstraint(['user_id'], ['users.id'], ondelete='CASCADE'),
    sa.PrimaryKeyConstraint('id'),
    sa.UniqueConstraint('user_id', 'song_id', name='uq_like_user_song')
    )
    # ### end Alembic commands ###


def downgrade() -> None:
    # ### commands auto generated by Alembic - please adjust! ###
    op.drop_table('likes')
    op.drop_table('songs')
    op.drop_index(op.f('ix_users_email'), table_name='users')
    op.drop_table('users')
    # ### end Alembic commands ###