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#
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"""security converge databases

Revision ID: 42b4c9e01447
Revises: 5daced1f0e76
Create Date: 2020-12-14 10:49:36.110805

"""

# revision identifiers, used by Alembic.
revision = "42b4c9e01447"
down_revision = "1f6dca87d1a2"

import sqlalchemy as sa
from alembic import op
from sqlalchemy.exc import SQLAlchemyError
from sqlalchemy.orm import Session

from superset.migrations.shared.security_converge import (
    add_pvms,
    get_reversed_new_pvms,
    get_reversed_pvm_map,
    migrate_roles,
    Pvm,
)

NEW_PVMS = {"Database": ("can_read", "can_write",)}
PVM_MAP = {
    Pvm("DatabaseView", "can_add"): (Pvm("Database", "can_write"),),
    Pvm("DatabaseView", "can_delete"): (Pvm("Database", "can_write"),),
    Pvm("DatabaseView", "can_edit",): (Pvm("Database", "can_write"),),
    Pvm("DatabaseView", "can_list",): (Pvm("Database", "can_read"),),
    Pvm("DatabaseView", "can_mulexport",): (Pvm("Database", "can_read"),),
    Pvm("DatabaseView", "can_post",): (Pvm("Database", "can_write"),),
    Pvm("DatabaseView", "can_show",): (Pvm("Database", "can_read"),),
    Pvm("DatabaseView", "muldelete",): (Pvm("Database", "can_write"),),
    Pvm("DatabaseView", "yaml_export",): (Pvm("Database", "can_read"),),
}


def upgrade():
    bind = op.get_bind()
    session = Session(bind=bind)

    # Add the new permissions on the migration itself
    add_pvms(session, NEW_PVMS)
    migrate_roles(session, PVM_MAP)
    try:
        session.commit()
    except SQLAlchemyError as ex:
        print(f"An error occurred while upgrading permissions: {ex}")
        session.rollback()


def downgrade():
    bind = op.get_bind()
    session = Session(bind=bind)

    # Add the old permissions on the migration itself
    add_pvms(session, get_reversed_new_pvms(PVM_MAP))
    migrate_roles(session, get_reversed_pvm_map(PVM_MAP))
    try:
        session.commit()
    except SQLAlchemyError as ex:
        print(f"An error occurred while downgrading permissions: {ex}")
        session.rollback()
    pass