-- drop table if exists tasks
create table if not exists tasks (
    id uuid primary key default gen_random_uuid(),
    user_id uuid references users (id) not null,
    model_id uuid references models (id) on delete cascade default null,

    -- -2: Failed Running
    -- -1: Failed Creation
    --  0: Preparing
    --  1: TODO
    --  2: Picked up
    --  3: Running
    --  4: Failed
    status integer default 1,
    status_message text default '',

    result text default '',
    extra_task_info text default '',

    -- -1: user said task is wrong
    --  0: no user input
    --  1: user said task is ok
    user_confirmed integer default 0,

    -- Tells the user if the file has been already compacted into
    --  embendings
    compacted integer default 0,

    -- TODO move the training tasks to here
    --  1: Classification
    task_type integer,

    created_on timestamp default current_timestamp
);

create table if not exists tasks_dependencies (
    id uuid primary key default gen_random_uuid(),
    main_id uuid references tasks (id) on delete cascade not null,
    dependent_id uuid references tasks (id) on delete cascade not null
);