import json

pub struct DocumentFindFilter[T] {
pub:
    selector        ?T
    selector2       ?[]T
    selector3       ?[1]T
    limit           ?int
    skip            ?int
    fields          ?[]string // This breaks the compiler when encoding to JSON
    conflicts       ?bool
    read_quorum     ?int @[json: r]
    update          ?bool
    stable          ?bool
    stale           ?string
    execution_stats ?bool
}

fn test_string() {
    t := DocumentFindFilter[string]{
        selector:  'aa'
        selector2: ['a', 'b']
        selector3: ['z']!
    }

    assert json.encode(t) == '{"selector":"aa","selector2":["a","b"],"selector3":["z"]}'
    assert json.decode(DocumentFindFilter[string],
        '{"selector":"aa","selector2":["a","b"],"selector3":["z"]}')! == t
}

fn test_int() ! {
    t := DocumentFindFilter[int]{
        selector:  1
        selector2: [1, 2]
        selector3: [3]!
    }

    assert json.encode(t) == '{"selector":1,"selector2":[1,2],"selector3":[3]}'
    assert json.decode(DocumentFindFilter[int], '{"selector":1,"selector2":[1,2],"selector3":[3]}')! == t
}

fn test_none() ! {
    t := DocumentFindFilter[int]{}

    assert json.encode(t) == '{}'
    assert json.decode(DocumentFindFilter[int], '{}')! == t
}