// file: crates/ksp-program-api/tests/public_api.rs
// version: 2

//! Integration canaries for the public `ksp-program-api` foundation.

fn consume_result(value: ksp_program_api::Result<ksp_program_api::Pubkey>) -> ksp_program_api::Result<ksp_program_api::Pubkey> {
    return value;
}

#[test]
fn public_pre_002_core_and_interface_facade_is_available_from_crate_root() {
    let program_id = ksp_program_api::Pubkey::new_from_array([0xA1_u8; 32]);
    let account_id = ksp_program_api::Pubkey::new_from_array([0xA2_u8; 32]);
    let account = ksp_program_api::ProgramAccountMeta::readonly(account_id, true);
    let instruction = ksp_program_api::ProgramInstruction::try_new(program_id, std::vec![account], std::vec![0xA3_u8]);
    assert!(instruction.is_ok());
    let forwarded = consume_result(std::result::Result::Ok(program_id));
    assert!(forwarded.is_ok());
    let error_code_type: std::option::Option<ksp_program_api::ErrorCode> = std::option::Option::None;
    let error_context_type: std::option::Option<ksp_program_api::ErrorContext> = std::option::Option::None;
    let error_type: std::option::Option<ksp_program_api::Error> = std::option::Option::None;
    assert!(error_code_type.is_none());
    assert!(error_context_type.is_none());
    assert!(error_type.is_none());
    return;
}

#[test]
fn public_pre_002_scaffold_does_not_require_private_modules() {
    let source = include_str!("../src/lib.rs");
    assert!(!source.contains("pub mod "));
    return;
}

#[test]
fn public_pre_003_recognition_and_decode_outcome_are_available_from_crate_root() {
    let recognition = ksp_program_api::ProgramInstructionRecognition::ProgramMatch;
    assert_eq!(std::format!("{recognition:?}"), "ProgramMatch");
    let decoded = ksp_program_api::ProgramInstructionDecodeOutcome::Decoded(31_u16);
    assert_eq!(std::format!("{decoded:?}"), "Decoded");
    let decoded_value = match decoded {
        ksp_program_api::ProgramInstructionDecodeOutcome::Decoded(value) => value,
        _ => 0_u16,
    };
    assert_eq!(decoded_value, 31_u16);
    let unsupported = ksp_program_api::ProgramInstructionDecodeOutcome::<u16>::Unsupported;
    assert_eq!(std::format!("{unsupported:?}"), "Unsupported");
    return;
}