"""tradeDocuments

Revision ID: 3a3601ac8224
Revises: 51439cf24be8
Create Date: 2021-06-15 14:38:59.931818

"""
import teal
import citext
import sqlalchemy as sa
from alembic import op
from alembic import context
from sqlalchemy.dialects import postgresql



# revision identifiers, used by Alembic.
revision = '3a3601ac8224'
down_revision = '51439cf24be8'
branch_labels = None
depends_on = None


def get_inv():
    INV = context.get_x_argument(as_dictionary=True).get('inventory')
    if not INV:
        raise ValueError("Inventory value is not specified")
    return INV

def upgrade():
    op.create_table('trade_document',
                    sa.Column(
                        'updated',
                        sa.TIMESTAMP(timezone=True),
                        server_default=sa.text('CURRENT_TIMESTAMP'),
                        nullable=False,
                        comment='The last time Devicehub recorded a change for \n    this thing.\n    '
                    ),
                    sa.Column(
                        'created',
                        sa.TIMESTAMP(timezone=True),
                        server_default=sa.text('CURRENT_TIMESTAMP'),
                        nullable=False,
                        comment='When Devicehub created this.'
                    ),
                    sa.Column(
                        'id',
                        sa.BigInteger(),
                        nullable=False,
                        comment='The identifier of the device for this database. Used only\n    internally for software; users should not use this.\n    '
                    ),
                    sa.Column(
                        'date',
                        sa.DateTime(),
                        nullable=True,
                        comment='The date of document, some documents need to have one date\n    '
                    ),
                    sa.Column(
                        'id_document',
                        citext.CIText(),
                        nullable=True,
                        comment='The id of one document like invoice so they can be linked.'
                    ),
                    sa.Column(
                        'description',
                        citext.CIText(),
                        nullable=True,
                        comment='A description of document.'
                    ),
                    sa.Column(
                        'owner_id',
                        postgresql.UUID(as_uuid=True),
                        nullable=False
                    ),
                    sa.Column(
                        'lot_id',
                        postgresql.UUID(as_uuid=True),
                        nullable=False
                    ),
                    sa.Column(
                        'file_name',
                        citext.CIText(),
                        nullable=True,
                        comment='This is the name of the file when user up the document.'
                    ),
                    sa.Column(
                        'file_hash',
                         citext.CIText(),
                         nullable=True,
                         comment='This is the hash of the file produced from frontend.'
                    ),
                    sa.Column(
                        'url',
                        citext.CIText(),
                        teal.db.URL(),
                        nullable=True,
                        comment='This is the url where resides the document.'
                    ),
                    sa.ForeignKeyConstraint(['lot_id'], [f'{get_inv()}.lot.id'],),
                    sa.ForeignKeyConstraint(['owner_id'], ['common.user.id'],),
                    sa.PrimaryKeyConstraint('id'),
                    schema=f'{get_inv()}'
    )
    # Action document table
    op.create_table('action_trade_document',
                    sa.Column('document_id', sa.BigInteger(), nullable=False),
                    sa.Column('action_id', postgresql.UUID(as_uuid=True), nullable=False),
                    sa.ForeignKeyConstraint(['action_id'], [f'{get_inv()}.action.id'], ),
                    sa.ForeignKeyConstraint(['document_id'], [f'{get_inv()}.trade_document.id'], ),
                    sa.PrimaryKeyConstraint('document_id', 'action_id'),
                    schema=f'{get_inv()}'
                    )

    op.create_index('document_id', 'trade_document', ['id'], unique=False, postgresql_using='hash', schema=f'{get_inv()}')
    op.create_index(op.f('ix_trade_document_created'), 'trade_document', ['created'], unique=False, schema=f'{get_inv()}')
    op.create_index(op.f('ix_trade_document_updated'), 'trade_document', ['updated'], unique=False, schema=f'{get_inv()}')


def downgrade():
    op.drop_table('action_trade_document', schema=f'{get_inv()}')
    op.drop_table('trade_document', schema=f'{get_inv()}')