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IMAP LastResponse and LastResponseCode

Demonstrates the IMAP LastResponse and LastResponseCode properties.

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Zig
const std = @import("std");
const chilkat = @import("chilkat");

pub fn main(init: std.process.Init) !void {
    const alloc = init.arena.allocator();

    // This example assumes the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    const imap = try chilkat.Imap.init();
    defer imap.deinit();

    // Use TLS
    imap.setSsl(true);
    imap.setPort(993);
    imap.connect("imap.gmail.com") catch {
        std.debug.print("{s}\n", .{try imap.getLastErrorText(alloc)});
        return;
    };

    // Authenticate, but with an intentionally incorrect password
    // so we can see the contents of the LastErrorText, and also
    // the LastResponse and LastResponseCode properties.
    if (imap.login("my_login", "my_intentionally incorrect_password")) {
        std.debug.print("Successfull login, but this example is meant to demonstrate an error, such as a failed login.\n", .{});
        return;
    } else |_| {}

    // Let's look at the LastErrorText, and also the LastResponse and LastResponseCode.
    std.debug.print("LastResponseCode = {s}\n", .{try imap.getLastResponseCode(alloc)});
    std.debug.print("LastReponse = {s}\n", .{try imap.getLastResponse(alloc)});
    std.debug.print("LastErrorText = {s}\n", .{try imap.getLastErrorText(alloc)});

    // Sample output:

    // LastResponseCode = AUTHENTICATIONFAILED
    // LastReponse = aaab NO [AUTHENTICATIONFAILED] Invalid credentials (Failure)
    // LastErrorText = ChilkatLog:
    //   Login:
    //     DllDate: Oct 28 2023
    //     ChilkatVersion: 9.5.0.96
    //     UnlockPrefix: EXCODE
    //     UnlockStatus: 2
    //     Architecture: Little Endian; 64-bit
    //     Language: .NET 4.5 / x64 / VS2012
    //     VerboseLogging: 0
    //     imapServer: imap.gmail.com
    //     loginX(47ms):
    //       login: my_login
    //       greeting: * OK Gimap ready for requests from 98.213.102.119 w5mb285327441qtc
    //
    //       authenticateLogin(47ms):
    //         loginImap(47ms):
    //           ConnectionType: SSL/TLS
    //           ImapCmdSent: aaab LOGIN "my_login"
    //           getCompleteResponse(47ms):
    //             ImapCmdResp: aaab NO [AUTHENTICATIONFAILED] Invalid credentials (Failure)
    //           --getCompleteResponse
    //         --loginImap
    //         isOK:
    //           serverResponse: aaab NO [AUTHENTICATIONFAILED] Invalid credentials (Failure)
    //         --isOK
    //       --authenticateLogin
    //     --loginX
    //     Failed.
    //   --Login
    // --ChilkatLog

    // Disconnect from the IMAP server.
    try imap.disconnect();
}