use expect_test::expect;
use ironrdp_pdu::pcb::*;
use ironrdp_testsuite_core::encode_decode_test;

encode_decode_test! {
    v1:
        PreconnectionBlob {
            version: PcbVersion::V1,
            id: 4_005_992_939,
            v2_payload: None,
        },
        [
            0x10, 0x00, 0x00, 0x00, // -> RDP_PRECONNECTION_PDU_V1::cbSize = 0x10 = 16 bytes
            0x00, 0x00, 0x00, 0x00, // -> RDP_PRECONNECTION_PDU_V1::Flags = 0
            0x01, 0x00, 0x00, 0x00, // -> RDP_PRECONNECTION_PDU_V1::Version = 1
            0xeb, 0x99, 0xc6, 0xee, // -> RDP_PRECONNECTION_PDU_V1::Id = 0xEEC699EB = 4005992939
        ];

    v2:
        PreconnectionBlob {
            version: PcbVersion::V2,
            id: 0,
            v2_payload: Some(String::from("TestVM")),
        },
        [
            0x20, 0x00, 0x00, 0x00, // -> RDP_PRECONNECTION_PDU_V1::cbSize = 0x20 = 32 bytes
            0x00, 0x00, 0x00, 0x00, // -> RDP_PRECONNECTION_PDU_V1::Flags = 0
            0x02, 0x00, 0x00, 0x00, // -> RDP_PRECONNECTION_PDU_V1::Version = 2
            0x00, 0x00, 0x00, 0x00, // -> RDP_PRECONNECTION_PDU_V1::Id = 0
            0x07, 0x00, //       -> RDP_PRECONNECTION_PDU_V2::cchPCB = 0x7 = 7 characters
            0x54, 0x00, 0x65, 0x00, 0x73, 0x00, 0x74, 0x00, 0x56, 0x00, 0x4d, 0x00, 0x00,
            0x00, // -> RDP_PRECONNECTION_PDU_V2::wszPCB -> "TestVM\0"
        ];

    v2_jwt:
        PreconnectionBlob {
            version: PcbVersion::V2,
            id: 0,
            v2_payload: Some(concat!(
                "eyJhbGciOiJSUzI1NiIsInR5cCI6IkpXVCIsImN0eSI6IkFTU09DSUFUSU9OIn0.eyJkc3RfaHN0IjoidG",
                "NwOi8vMTAuMTAuMC4yOjIyIiwiZXhwIjoxNjg3ODE1OTIyLCJpYXQiOjE2ODc4MTU2MjIsImpldF9haWQi",
                "OiI4ZDA2NjBhNy0xNDlkLTRkMDctOTUwNC0zNmM5NDhiMjQxMzYiLCJqZXRfYXAiOiJzc2giLCJqZXRfY2",
                "0iOiJmd2QiLCJqZXRfZ3dfaWQiOiJiOGExYTA2NC0xOTg1LTRkNzktYjBjNC05YWMxMWIzZTg0ZTEiLCJq",
                "dGkiOiJmNmMyYWE4OC00MzZjLTRkN2UtODc3ZC02OGM3Y2NhNmEwZDYiLCJuYmYiOjE2ODc4MTU2MjJ9.D",
                "P6pKkMpAVpOIxrywOkbzTKuI0zdxKN-d4XguRI2Pb48BubTQ7EY1xNp8H_kHxaQ6Fr46fBA5fmmjGtnW_2",
                "exMOu8ZTqduSPXrUVOogE4mBZMAYjVIMnBhsLOfx30AZS8YKCsL8FNnNJZBnFpgaJe8Mz9eCrhPWiDYD10",
                "p2dMBcElUOWU9Gh0YWlbIcRS6zkp6vAARdWGn0L98HgyxOFqnihsdmAESsm9ma7EVeTLoXJMYVCUwPj6tW",
                "QOs9SGNnNoGShJLQbPeHUB6lGJs_g1V7ojSK-0K0rVtBRI6iG0a8Q6sMLomRoM7IKwVMHCfYte6I3fLaY1",
                "_b3SrwXIWjn5A"
            ).to_owned()),
        },
        hex::decode(concat!(
            "f2050000000000000200000000000000f002650079004a00680062004700630069004f0069004a00530055007a0049",
            "0031004e0069004900730049006e0052003500630043004900360049006b0070005800560043004900730049006d00",
            "4e003000650053004900360049006b0046005400550030003900440053005500460055005300550039004f0049006e",
            "0030002e00650079004a006b006300330052006600610048004e00300049006a006f006900640047004e0077004f00",
            "6900380076004d005400410075004d005400410075004d004300340079004f006a004900790049006900770069005a",
            "0058006800770049006a006f0078004e006a00670033004f004400450031004f005400490079004c0043004a007000",
            "59005800510069004f006a00450032004f004400630034004d005400550032004d006a004900730049006d0070006c",
            "00640046003900680061005700510069004f006900490034005a004400410032004e006a00420068004e0079003000",
            "78004e0044006c006b004c00540052006b004d004400630074004f005400550077004e00430030007a004e006d004d",
            "0035004e004400680069004d006a00510078004d007a00590069004c0043004a0071005a0058005200660059005800",
            "410069004f0069004a007a0063003200670069004c0043004a0071005a0058005200660059003200300069004f0069",
            "004a006d0064003200510069004c0043004a0071005a005800520066005a0033006400660061005700510069004f00",
            "69004a0069004f0047004500780059005400410032004e004300300078004f005400670031004c00540052006b004e",
            "007a006b00740059006a0042006a004e00430030003500590057004d0078004d00570049007a005a00540067003000",
            "5a005400450069004c0043004a007100640047006b0069004f0069004a006d004e006d004d00790059005700450034",
            "004f004300300030004d007a005a006a004c00540052006b004e003200550074004f004400630033005a0043003000",
            "32004f0047004d003300590032004e0068004e006d00450077005a004400590069004c0043004a00750059006d0059",
            "0069004f006a00450032004f004400630034004d005400550032004d006a004a0039002e0044005000360070004b00",
            "6b004d0070004100560070004f00490078007200790077004f006b0062007a0054004b007500490030007a00640078",
            "004b004e002d0064003400580067007500520049003200500062003400380042007500620054005100370045005900",
            "310078004e007000380048005f006b00480078006100510036004600720034003600660042004100350066006d006d",
            "006a00470074006e0057005f003200650078004d004f00750038005a00540071006400750053005000580072005500",
            "56004f006f006700450034006d0042005a004d00410059006a00560049004d006e004200680073004c004f00660078",
            "003300300041005a005300380059004b00430073004c00380046004e006e004e004a005a0042006e00460070006700",
            "61004a00650038004d007a0039006500430072006800500057006900440059004400310030007000320064004d0042",
            "00630045006c0055004f00570055003900470068003000590057006c006200490063005200530036007a006b007000",
            "360076004100410052006400570047006e0030004c003900380048006700790078004f00460071006e006900680073",
            "0064006d0041004500530073006d0039006d006100370045005600650054004c006f0058004a004d00590056004300",
            "5500770050006a0036007400570051004f0073003900530047004e006e004e006f004700530068004a004c00510062",
            "005000650048005500420036006c0047004a0073005f0067003100560037006f006a0053004b002d0030004b003000",
            "7200560074004200520049003600690047003000610038005100360073004d004c006f006d0052006f004d00370049",
            "004b00770056004d0048004300660059007400650036004900330066004c006100590031005f006200330053007200",
            "77005800490057006a006e00350041000000"
        )).expect("pcb_v2_with_jwt payload");
}

const PRECONNECTION_PDU_V1_NULL_SIZE_BUF: [u8; 16] = [
    0x00, 0x00, 0x00, 0x00, // -> RDP_PRECONNECTION_PDU_V1::cbSize = 0x00 = 0 bytes
    0x00, 0x00, 0x00, 0x00, // -> RDP_PRECONNECTION_PDU_V1::Flags = 0
    0x01, 0x00, 0x00, 0x00, // -> RDP_PRECONNECTION_PDU_V1::Version = 1
    0xeb, 0x99, 0xc6, 0xee, // -> RDP_PRECONNECTION_PDU_V1::Id = 0xEEC699EB = 4005992939
];

#[test]
fn null_size() {
    let e = ironrdp_core::decode::<PreconnectionBlob>(&PRECONNECTION_PDU_V1_NULL_SIZE_BUF)
        .err()
        .unwrap();

    expect![[r#"
            Error {
                context: "PreconnectionBlob",
                kind: InvalidField {
                    field: "cbSize",
                    reason: "advertised size too small for Preconnection PDU V1",
                },
                source: None,
            }
        "#]]
    .assert_debug_eq(&e);
}

const PRECONNECTION_PDU_V1_LARGE_SIZE_BUF: [u8; 16] = [
    0xff, 0x00, 0x00, 0x00, // -> RDP_PRECONNECTION_PDU_V1::cbSize = 0xff
    0x00, 0x00, 0x00, 0x00, // -> RDP_PRECONNECTION_PDU_V1::Flags = 0
    0x01, 0x00, 0x00, 0x00, // -> RDP_PRECONNECTION_PDU_V1::Version = 1
    0xeb, 0x99, 0xc6, 0xee, // -> RDP_PRECONNECTION_PDU_V1::Id = 0xEEC699EB = 4005992939
];

#[test]
fn truncated() {
    let e = ironrdp_core::decode::<PreconnectionBlob>(&PRECONNECTION_PDU_V1_LARGE_SIZE_BUF)
        .err()
        .unwrap();

    expect![[r#"
        Error {
            context: "<ironrdp_pdu::pcb::PreconnectionBlob as ironrdp_core::decode::Decode>::decode",
            kind: NotEnoughBytes {
                received: 0,
                expected: 239,
            },
            source: None,
        }
    "#]]
    .assert_debug_eq(&e);
}

const PRECONNECTION_PDU_V2_LARGE_PAYLOAD_SIZE_BUF: [u8; 32] = [
    0x20, 0x00, 0x00, 0x00, // -> RDP_PRECONNECTION_PDU_V1::cbSize = 0x20 = 32 bytes
    0x00, 0x00, 0x00, 0x00, // -> RDP_PRECONNECTION_PDU_V1::Flags = 0
    0x02, 0x00, 0x00, 0x00, // -> RDP_PRECONNECTION_PDU_V1::Version = 2
    0x00, 0x00, 0x00, 0x00, // -> RDP_PRECONNECTION_PDU_V1::Id = 0
    0xff, 0x00, //       -> RDP_PRECONNECTION_PDU_V2::cchPCB = 0xff
    0x54, 0x00, 0x65, 0x00, 0x73, 0x00, 0x74, 0x00, 0x56, 0x00, 0x4d, 0x00, 0x00,
    0x00, // -> RDP_PRECONNECTION_PDU_V2::wszPCB -> "TestVM\0"
];

#[test]
fn pcb_v2_string_too_big() {
    let e = ironrdp_core::decode::<PreconnectionBlob>(&PRECONNECTION_PDU_V2_LARGE_PAYLOAD_SIZE_BUF)
        .err()
        .unwrap();

    expect![[r#"
            Error {
                context: "PreconnectionBlob",
                kind: InvalidField {
                    field: "cchPCB",
                    reason: "PCB string bigger than advertised size",
                },
                source: None,
            }
        "#]]
    .assert_debug_eq(&e);
}