"""create api tables

Revision ID: abcd1234_create_api_tables
Revises: fe6513ff0455
Create Date: 2025-11-15 10:00:00.000000

"""
from alembic import op
import sqlalchemy as sa
from sqlalchemy.dialects import mysql
from sqlalchemy.engine import reflection

# revision identifiers, used by Alembic.
revision = 'abcd1234_create_api_tables'
down_revision = 'fe6513ff0455'
branch_labels = None
depends_on = None


def upgrade():
    # ### commands auto generated by Alembic - please adjust! ###
    # 获取数据库连接和表信息
    bind = op.get_bind()
    inspector = reflection.Inspector.from_engine(bind)
    
    # 获取现有表
    existing_tables = inspector.get_table_names()
    
    # 只有当表不存在时才创建
    if 'api' not in existing_tables:
        op.create_table('api',
        sa.Column('api_id', sa.String(length=32), nullable=False),
        sa.Column('api_name', sa.String(length=64), nullable=False),
        sa.Column('description', sa.Text(), nullable=True),
        sa.Column('status', sa.Integer(), nullable=False),
        sa.Column('create_time', sa.DateTime(), nullable=True),
        sa.Column('update_time', sa.DateTime(), nullable=True),
        sa.PrimaryKeyConstraint('api_id')
        )
    
    if 'api_version' not in existing_tables:
        op.create_table('api_version',
        sa.Column('id', sa.Integer(), nullable=False),
        sa.Column('version_num', sa.String(length=32), nullable=False),
        sa.Column('api_id', sa.String(length=32), nullable=False),
        sa.Column('description', sa.Text(), nullable=True),
        sa.Column('publish_status', sa.Integer(), nullable=False),
        sa.Column('create_time', sa.DateTime(), nullable=True),
        sa.Column('update_time', sa.DateTime(), nullable=True),
        sa.ForeignKeyConstraint(['api_id'], ['api.api_id'], ),
        sa.PrimaryKeyConstraint('id')
        )
    
    if 'api_key' not in existing_tables:
        op.create_table('api_key',
        sa.Column('id', sa.Integer(), nullable=False),
        sa.Column('key', sa.String(length=64), nullable=False),
        sa.Column('api_id', sa.String(length=32), nullable=False),
        sa.Column('name', sa.String(length=64), nullable=False),
        sa.Column('description', sa.Text(), nullable=True),
        sa.Column('status', sa.Integer(), nullable=False),
        sa.Column('create_time', sa.DateTime(), nullable=True),
        sa.Column('update_time', sa.DateTime(), nullable=True),
        sa.Column('expire_time', sa.DateTime(), nullable=True),
        sa.ForeignKeyConstraint(['api_id'], ['api.api_id'], ),
        sa.PrimaryKeyConstraint('id'),
        sa.UniqueConstraint('key')
        )
    
        # 添加索引
        op.create_index(op.f('ix_api_key_api_id'), 'api_key', ['api_id'], unique=False)
        op.create_index(op.f('ix_api_version_api_id'), 'api_version', ['api_id'], unique=False)
    # ### end Alembic commands ###


def downgrade():
    # ### commands auto generated by Alembic - please adjust! ###
    op.drop_index(op.f('ix_api_version_api_id'), table_name='api_version')
    op.drop_index(op.f('ix_api_key_api_id'), table_name='api_key')
    op.drop_table('api_key')
    op.drop_table('api_version')
    op.drop_table('api')
    # ### end Alembic commands ###