"""create_announcements_table

Revision ID: 567cd83d63c2
Revises: 
Create Date: 2026-05-09 13:33:26.593143

"""
from typing import Sequence, Union

from alembic import op
import sqlalchemy as sa
from sqlalchemy.dialects import postgresql

# revision identifiers, used by Alembic.
revision: str = '567cd83d63c2'
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.drop_table('auto_announcements')
    op.drop_table('announcement_sources')
    op.drop_index(op.f('idx_dahuagov_content_hash'), table_name='dahuagov_announcements')
    op.drop_index(op.f('idx_dahuagov_created_at'), table_name='dahuagov_announcements')
    op.drop_index(op.f('idx_dahuagov_publish_date'), table_name='dahuagov_announcements')
    op.drop_table('dahuagov_announcements')
    op.drop_index(op.f('idx_crawl_results_crawled_at'), table_name='crawl_results')
    op.drop_table('crawl_results')
    op.drop_table('manual_announcements')
    op.add_column('announcements', sa.Column('is_sent', sa.Boolean(), nullable=False))
    op.alter_column('announcements', 'purchase_name',
               existing_type=sa.VARCHAR(length=200),
               nullable=False)
    op.alter_column('announcements', 'content_url',
               existing_type=sa.TEXT(),
               nullable=False)
    op.alter_column('announcements', 'content_hash',
               existing_type=sa.VARCHAR(length=32),
               type_=sa.String(length=64),
               nullable=False)
    op.alter_column('announcements', 'crawl_mode',
               existing_type=sa.VARCHAR(length=20),
               nullable=False,
               existing_server_default=sa.text("'auto'::character varying"))
    op.alter_column('announcements', 'is_new',
               existing_type=sa.BOOLEAN(),
               nullable=False,
               existing_server_default=sa.text('true'))
    op.alter_column('announcements', 'keyword_matched',
               existing_type=sa.BOOLEAN(),
               nullable=False,
               existing_server_default=sa.text('false'))
    op.alter_column('announcements', 'created_at',
               existing_type=postgresql.TIMESTAMP(),
               nullable=False,
               existing_server_default=sa.text('CURRENT_TIMESTAMP'))
    op.alter_column('announcements', 'updated_at',
               existing_type=postgresql.TIMESTAMP(),
               nullable=False,
               existing_server_default=sa.text('CURRENT_TIMESTAMP'))
    op.drop_index(op.f('idx_announcements_content_hash'), table_name='announcements')
    op.drop_index(op.f('idx_announcements_created_at'), table_name='announcements')
    op.drop_index(op.f('idx_announcements_publish_date'), table_name='announcements')
    op.drop_index(op.f('idx_announcements_source_code'), table_name='announcements')
    op.drop_column('announcements', 'date_filtered')
    op.drop_column('announcements', 'is_today')
    op.drop_column('announcements', 'crawled_at')
    # ### end Alembic commands ###


def downgrade() -> None:
    """Downgrade schema."""
    # ### commands auto generated by Alembic - please adjust! ###
    op.add_column('announcements', sa.Column('crawled_at', postgresql.TIMESTAMP(), autoincrement=False, nullable=True))
    op.add_column('announcements', sa.Column('is_today', sa.BOOLEAN(), server_default=sa.text('false'), autoincrement=False, nullable=True))
    op.add_column('announcements', sa.Column('date_filtered', sa.BOOLEAN(), server_default=sa.text('true'), autoincrement=False, nullable=True))
    op.create_index(op.f('idx_announcements_source_code'), 'announcements', ['source_code'], unique=False)
    op.create_index(op.f('idx_announcements_publish_date'), 'announcements', [sa.literal_column('publish_date DESC')], unique=False)
    op.create_index(op.f('idx_announcements_created_at'), 'announcements', [sa.literal_column('created_at DESC')], unique=False)
    op.create_index(op.f('idx_announcements_content_hash'), 'announcements', ['content_hash'], unique=False)
    op.alter_column('announcements', 'updated_at',
               existing_type=postgresql.TIMESTAMP(),
               nullable=True,
               existing_server_default=sa.text('CURRENT_TIMESTAMP'))
    op.alter_column('announcements', 'created_at',
               existing_type=postgresql.TIMESTAMP(),
               nullable=True,
               existing_server_default=sa.text('CURRENT_TIMESTAMP'))
    op.alter_column('announcements', 'keyword_matched',
               existing_type=sa.BOOLEAN(),
               nullable=True,
               existing_server_default=sa.text('false'))
    op.alter_column('announcements', 'is_new',
               existing_type=sa.BOOLEAN(),
               nullable=True,
               existing_server_default=sa.text('true'))
    op.alter_column('announcements', 'crawl_mode',
               existing_type=sa.VARCHAR(length=20),
               nullable=True,
               existing_server_default=sa.text("'auto'::character varying"))
    op.alter_column('announcements', 'content_hash',
               existing_type=sa.String(length=64),
               type_=sa.VARCHAR(length=32),
               nullable=True)
    op.alter_column('announcements', 'content_url',
               existing_type=sa.TEXT(),
               nullable=True)
    op.alter_column('announcements', 'purchase_name',
               existing_type=sa.VARCHAR(length=200),
               nullable=True)
    op.drop_column('announcements', 'is_sent')
    op.create_table('manual_announcements',
    sa.Column('id', sa.INTEGER(), autoincrement=True, nullable=False),
    sa.Column('title', sa.VARCHAR(length=500), autoincrement=False, nullable=False),
    sa.Column('publish_date', postgresql.TIMESTAMP(), autoincrement=False, nullable=False),
    sa.Column('purchase_name', sa.VARCHAR(length=200), autoincrement=False, nullable=True),
    sa.Column('content_url', sa.TEXT(), autoincrement=False, nullable=True),
    sa.Column('source_code', sa.VARCHAR(length=50), autoincrement=False, nullable=False),
    sa.Column('source_name', sa.VARCHAR(length=100), autoincrement=False, nullable=False),
    sa.Column('announcement_type', sa.VARCHAR(length=50), autoincrement=False, nullable=False),
    sa.Column('crawled_at', postgresql.TIMESTAMP(), autoincrement=False, nullable=True),
    sa.Column('created_at', postgresql.TIMESTAMP(), server_default=sa.text('CURRENT_TIMESTAMP'), autoincrement=False, nullable=True),
    sa.Column('updated_at', postgresql.TIMESTAMP(), server_default=sa.text('CURRENT_TIMESTAMP'), autoincrement=False, nullable=True),
    sa.Column('content_hash', sa.VARCHAR(length=32), autoincrement=False, nullable=True),
    sa.Column('keyword_matched', sa.BOOLEAN(), server_default=sa.text('false'), autoincrement=False, nullable=True),
    sa.Column('date_filtered', sa.BOOLEAN(), server_default=sa.text('true'), autoincrement=False, nullable=True),
    sa.Column('is_new', sa.BOOLEAN(), server_default=sa.text('true'), autoincrement=False, nullable=True),
    sa.Column('is_today', sa.BOOLEAN(), server_default=sa.text('false'), autoincrement=False, nullable=True),
    sa.PrimaryKeyConstraint('id', name=op.f('manual_announcements_pkey'))
    )
    op.create_table('crawl_results',
    sa.Column('id', sa.INTEGER(), autoincrement=True, nullable=False),
    sa.Column('source_code', sa.VARCHAR(length=50), autoincrement=False, nullable=False),
    sa.Column('status', sa.VARCHAR(length=20), autoincrement=False, nullable=False),
    sa.Column('total_count', sa.INTEGER(), server_default=sa.text('0'), autoincrement=False, nullable=True),
    sa.Column('new_count', sa.INTEGER(), server_default=sa.text('0'), autoincrement=False, nullable=True),
    sa.Column('error_message', sa.TEXT(), autoincrement=False, nullable=True),
    sa.Column('crawled_at', postgresql.TIMESTAMP(), server_default=sa.text('CURRENT_TIMESTAMP'), autoincrement=False, nullable=True),
    sa.Column('duration', sa.DOUBLE_PRECISION(precision=53), server_default=sa.text('0.0'), autoincrement=False, nullable=True),
    sa.ForeignKeyConstraint(['source_code'], ['announcement_sources.code'], name=op.f('crawl_results_source_code_fkey')),
    sa.PrimaryKeyConstraint('id', name=op.f('crawl_results_pkey'))
    )
    op.create_index(op.f('idx_crawl_results_crawled_at'), 'crawl_results', [sa.literal_column('crawled_at DESC')], unique=False)
    op.create_table('dahuagov_announcements',
    sa.Column('id', sa.INTEGER(), autoincrement=True, nullable=False),
    sa.Column('title', sa.VARCHAR(length=500), autoincrement=False, nullable=False),
    sa.Column('publish_date', postgresql.TIMESTAMP(), autoincrement=False, nullable=False),
    sa.Column('purchase_name', sa.VARCHAR(length=200), autoincrement=False, nullable=True),
    sa.Column('content_url', sa.TEXT(), autoincrement=False, nullable=True),
    sa.Column('source_code', sa.VARCHAR(length=50), server_default=sa.text("'dahuagov'::character varying"), autoincrement=False, nullable=False),
    sa.Column('source_name', sa.VARCHAR(length=100), server_default=sa.text("'大化县政府网采购公告'::character varying"), autoincrement=False, nullable=False),
    sa.Column('announcement_type', sa.VARCHAR(length=50), server_default=sa.text("'purchase'::character varying"), autoincrement=False, nullable=False),
    sa.Column('crawled_at', postgresql.TIMESTAMP(), autoincrement=False, nullable=True),
    sa.Column('created_at', postgresql.TIMESTAMP(), server_default=sa.text('CURRENT_TIMESTAMP'), autoincrement=False, nullable=True),
    sa.Column('updated_at', postgresql.TIMESTAMP(), server_default=sa.text('CURRENT_TIMESTAMP'), autoincrement=False, nullable=True),
    sa.Column('content_hash', sa.VARCHAR(length=32), autoincrement=False, nullable=True),
    sa.Column('is_new', sa.BOOLEAN(), server_default=sa.text('true'), autoincrement=False, nullable=True),
    sa.PrimaryKeyConstraint('id', name=op.f('dahuagov_announcements_pkey')),
    sa.UniqueConstraint('content_hash', name=op.f('dahuagov_announcements_content_hash_key'), postgresql_include=[], postgresql_nulls_not_distinct=False)
    )
    op.create_index(op.f('idx_dahuagov_publish_date'), 'dahuagov_announcements', [sa.literal_column('publish_date DESC')], unique=False)
    op.create_index(op.f('idx_dahuagov_created_at'), 'dahuagov_announcements', [sa.literal_column('created_at DESC')], unique=False)
    op.create_index(op.f('idx_dahuagov_content_hash'), 'dahuagov_announcements', ['content_hash'], unique=False)
    op.create_table('announcement_sources',
    sa.Column('code', sa.VARCHAR(length=50), autoincrement=False, nullable=False),
    sa.Column('category_id', sa.INTEGER(), autoincrement=False, nullable=False),
    sa.Column('name', sa.VARCHAR(length=100), autoincrement=False, nullable=False),
    sa.Column('type', sa.VARCHAR(length=50), autoincrement=False, nullable=False),
    sa.PrimaryKeyConstraint('code', name=op.f('announcement_sources_pkey'))
    )
    op.create_table('auto_announcements',
    sa.Column('id', sa.INTEGER(), autoincrement=True, nullable=False),
    sa.Column('title', sa.VARCHAR(length=500), autoincrement=False, nullable=False),
    sa.Column('publish_date', postgresql.TIMESTAMP(), autoincrement=False, nullable=False),
    sa.Column('purchase_name', sa.VARCHAR(length=200), autoincrement=False, nullable=True),
    sa.Column('content_url', sa.TEXT(), autoincrement=False, nullable=True),
    sa.Column('source_code', sa.VARCHAR(length=50), autoincrement=False, nullable=False),
    sa.Column('source_name', sa.VARCHAR(length=100), autoincrement=False, nullable=False),
    sa.Column('announcement_type', sa.VARCHAR(length=50), autoincrement=False, nullable=False),
    sa.Column('crawled_at', postgresql.TIMESTAMP(), autoincrement=False, nullable=True),
    sa.Column('created_at', postgresql.TIMESTAMP(), server_default=sa.text('CURRENT_TIMESTAMP'), autoincrement=False, nullable=True),
    sa.Column('updated_at', postgresql.TIMESTAMP(), server_default=sa.text('CURRENT_TIMESTAMP'), autoincrement=False, nullable=True),
    sa.Column('content_hash', sa.VARCHAR(length=32), autoincrement=False, nullable=True),
    sa.Column('keyword_matched', sa.BOOLEAN(), server_default=sa.text('false'), autoincrement=False, nullable=True),
    sa.Column('date_filtered', sa.BOOLEAN(), server_default=sa.text('true'), autoincrement=False, nullable=True),
    sa.Column('is_new', sa.BOOLEAN(), server_default=sa.text('true'), autoincrement=False, nullable=True),
    sa.Column('is_today', sa.BOOLEAN(), server_default=sa.text('false'), autoincrement=False, nullable=True),
    sa.PrimaryKeyConstraint('id', name=op.f('auto_announcements_pkey')),
    sa.UniqueConstraint('content_hash', name=op.f('auto_announcements_content_hash_key'), postgresql_include=[], postgresql_nulls_not_distinct=False)
    )
    # ### end Alembic commands ###