"""fresh start

Revision ID: bc37e9c7ae19
Revises: 
Create Date: 2025-05-08 16:06:51.208542

"""
from typing import Sequence, Union

from alembic import op
import sqlalchemy as sa


# revision identifiers, used by Alembic.
revision: str = 'bc37e9c7ae19'
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:
    """Upgrade schema."""
    # ### 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('password_hash', sa.String(), nullable=False),
    sa.Column('name', sa.String(), nullable=True),
    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_index(op.f('ix_users_id'), 'users', ['id'], unique=False)
    op.create_index(op.f('ix_users_name'), 'users', ['name'], unique=False)
    op.create_table('groups',
    sa.Column('id', sa.Integer(), nullable=False),
    sa.Column('name', sa.String(), nullable=False),
    sa.Column('created_by_id', sa.Integer(), nullable=False),
    sa.Column('created_at', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=False),
    sa.ForeignKeyConstraint(['created_by_id'], ['users.id'], ),
    sa.PrimaryKeyConstraint('id')
    )
    op.create_index(op.f('ix_groups_id'), 'groups', ['id'], unique=False)
    op.create_index(op.f('ix_groups_name'), 'groups', ['name'], unique=False)
    op.create_table('invites',
    sa.Column('id', sa.Integer(), nullable=False),
    sa.Column('code', sa.String(), nullable=False),
    sa.Column('group_id', sa.Integer(), nullable=False),
    sa.Column('created_by_id', sa.Integer(), nullable=False),
    sa.Column('created_at', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=False),
    sa.Column('expires_at', sa.DateTime(timezone=True), nullable=False),
    sa.Column('is_active', sa.Boolean(), nullable=False),
    sa.ForeignKeyConstraint(['created_by_id'], ['users.id'], ),
    sa.ForeignKeyConstraint(['group_id'], ['groups.id'], ondelete='CASCADE'),
    sa.PrimaryKeyConstraint('id')
    )
    op.create_index('ix_invites_active_code', 'invites', ['code'], unique=True, postgresql_where=sa.text('is_active = true'))
    op.create_index(op.f('ix_invites_code'), 'invites', ['code'], unique=False)
    op.create_index(op.f('ix_invites_id'), 'invites', ['id'], unique=False)
    op.create_table('lists',
    sa.Column('id', sa.Integer(), nullable=False),
    sa.Column('name', sa.String(), nullable=False),
    sa.Column('description', sa.Text(), nullable=True),
    sa.Column('created_by_id', sa.Integer(), nullable=False),
    sa.Column('group_id', sa.Integer(), nullable=True),
    sa.Column('is_complete', sa.Boolean(), 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.Column('version', sa.Integer(), server_default='1', nullable=False),
    sa.ForeignKeyConstraint(['created_by_id'], ['users.id'], ),
    sa.ForeignKeyConstraint(['group_id'], ['groups.id'], ),
    sa.PrimaryKeyConstraint('id')
    )
    op.create_index(op.f('ix_lists_id'), 'lists', ['id'], unique=False)
    op.create_index(op.f('ix_lists_name'), 'lists', ['name'], unique=False)
    op.create_table('settlements',
    sa.Column('id', sa.Integer(), nullable=False),
    sa.Column('group_id', sa.Integer(), nullable=False),
    sa.Column('paid_by_user_id', sa.Integer(), nullable=False),
    sa.Column('paid_to_user_id', sa.Integer(), nullable=False),
    sa.Column('amount', sa.Numeric(precision=10, scale=2), nullable=False),
    sa.Column('settlement_date', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=False),
    sa.Column('description', sa.Text(), nullable=True),
    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.Column('version', sa.Integer(), server_default='1', nullable=False),
    sa.ForeignKeyConstraint(['group_id'], ['groups.id'], ),
    sa.ForeignKeyConstraint(['paid_by_user_id'], ['users.id'], ),
    sa.ForeignKeyConstraint(['paid_to_user_id'], ['users.id'], ),
    sa.PrimaryKeyConstraint('id')
    )
    op.create_index(op.f('ix_settlements_id'), 'settlements', ['id'], unique=False)
    op.create_table('user_groups',
    sa.Column('id', sa.Integer(), nullable=False),
    sa.Column('user_id', sa.Integer(), nullable=False),
    sa.Column('group_id', sa.Integer(), nullable=False),
    sa.Column('role', sa.Enum('owner', 'member', name='userroleenum'), nullable=False),
    sa.Column('joined_at', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=False),
    sa.ForeignKeyConstraint(['group_id'], ['groups.id'], ondelete='CASCADE'),
    sa.ForeignKeyConstraint(['user_id'], ['users.id'], ondelete='CASCADE'),
    sa.PrimaryKeyConstraint('id'),
    sa.UniqueConstraint('user_id', 'group_id', name='uq_user_group')
    )
    op.create_index(op.f('ix_user_groups_id'), 'user_groups', ['id'], unique=False)
    op.create_table('items',
    sa.Column('id', sa.Integer(), nullable=False),
    sa.Column('list_id', sa.Integer(), nullable=False),
    sa.Column('name', sa.String(), nullable=False),
    sa.Column('quantity', sa.String(), nullable=True),
    sa.Column('is_complete', sa.Boolean(), nullable=False),
    sa.Column('price', sa.Numeric(precision=10, scale=2), nullable=True),
    sa.Column('added_by_id', sa.Integer(), nullable=False),
    sa.Column('completed_by_id', sa.Integer(), nullable=True),
    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.Column('version', sa.Integer(), server_default='1', nullable=False),
    sa.ForeignKeyConstraint(['added_by_id'], ['users.id'], ),
    sa.ForeignKeyConstraint(['completed_by_id'], ['users.id'], ),
    sa.ForeignKeyConstraint(['list_id'], ['lists.id'], ondelete='CASCADE'),
    sa.PrimaryKeyConstraint('id')
    )
    op.create_index(op.f('ix_items_id'), 'items', ['id'], unique=False)
    op.create_index(op.f('ix_items_name'), 'items', ['name'], unique=False)
    op.create_table('expenses',
    sa.Column('id', sa.Integer(), nullable=False),
    sa.Column('description', sa.String(), nullable=False),
    sa.Column('total_amount', sa.Numeric(precision=10, scale=2), nullable=False),
    sa.Column('currency', sa.String(), nullable=False),
    sa.Column('expense_date', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=False),
    sa.Column('split_type', sa.Enum('EQUAL', 'EXACT_AMOUNTS', 'PERCENTAGE', 'SHARES', 'ITEM_BASED', name='splittypeenum'), nullable=False),
    sa.Column('list_id', sa.Integer(), nullable=True),
    sa.Column('group_id', sa.Integer(), nullable=True),
    sa.Column('item_id', sa.Integer(), nullable=True),
    sa.Column('paid_by_user_id', 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.Column('version', sa.Integer(), server_default='1', nullable=False),
    sa.ForeignKeyConstraint(['group_id'], ['groups.id'], ),
    sa.ForeignKeyConstraint(['item_id'], ['items.id'], ),
    sa.ForeignKeyConstraint(['list_id'], ['lists.id'], ),
    sa.ForeignKeyConstraint(['paid_by_user_id'], ['users.id'], ),
    sa.PrimaryKeyConstraint('id')
    )
    op.create_index(op.f('ix_expenses_id'), 'expenses', ['id'], unique=False)
    op.create_table('expense_splits',
    sa.Column('id', sa.Integer(), nullable=False),
    sa.Column('expense_id', sa.Integer(), nullable=False),
    sa.Column('user_id', sa.Integer(), nullable=False),
    sa.Column('owed_amount', sa.Numeric(precision=10, scale=2), nullable=False),
    sa.Column('share_percentage', sa.Numeric(precision=5, scale=2), nullable=True),
    sa.Column('share_units', sa.Integer(), nullable=True),
    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(['expense_id'], ['expenses.id'], ondelete='CASCADE'),
    sa.ForeignKeyConstraint(['user_id'], ['users.id'], ),
    sa.PrimaryKeyConstraint('id'),
    sa.UniqueConstraint('expense_id', 'user_id', name='uq_expense_user_split')
    )
    op.create_index(op.f('ix_expense_splits_id'), 'expense_splits', ['id'], unique=False)
    # ### end Alembic commands ###


def downgrade() -> None:
    """Downgrade schema."""
    # ### commands auto generated by Alembic - please adjust! ###
    op.drop_index(op.f('ix_expense_splits_id'), table_name='expense_splits')
    op.drop_table('expense_splits')
    op.drop_index(op.f('ix_expenses_id'), table_name='expenses')
    op.drop_table('expenses')
    op.drop_index(op.f('ix_items_name'), table_name='items')
    op.drop_index(op.f('ix_items_id'), table_name='items')
    op.drop_table('items')
    op.drop_index(op.f('ix_user_groups_id'), table_name='user_groups')
    op.drop_table('user_groups')
    op.drop_index(op.f('ix_settlements_id'), table_name='settlements')
    op.drop_table('settlements')
    op.drop_index(op.f('ix_lists_name'), table_name='lists')
    op.drop_index(op.f('ix_lists_id'), table_name='lists')
    op.drop_table('lists')
    op.drop_index(op.f('ix_invites_id'), table_name='invites')
    op.drop_index(op.f('ix_invites_code'), table_name='invites')
    op.drop_index('ix_invites_active_code', table_name='invites', postgresql_where=sa.text('is_active = true'))
    op.drop_table('invites')
    op.drop_index(op.f('ix_groups_name'), table_name='groups')
    op.drop_index(op.f('ix_groups_id'), table_name='groups')
    op.drop_table('groups')
    op.drop_index(op.f('ix_users_name'), table_name='users')
    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 ###