(C) Send HTML Email with Image Downloaded from URL

Demonstrates how to compose an HTML email with an embedded image where the image data is downloaded from a URL.

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#include <C_CkBinData.h>
#include <C_CkHttp.h>
#include <C_CkMailMan.h>
#include <C_CkEmail.h>

void ChilkatSample(void)
    {
    HCkBinData bdJpg;
    HCkHttp http;
    BOOL success;
    HCkMailMan mailman;
    HCkEmail email;
    const char *html;

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

    // First download the image we'll be adding to the HTML "img" tag.
    bdJpg = CkBinData_Create();
    http = CkHttp_Create();
    success = CkHttp_QuickGetBd(http,"https://www.chilkatsoft.com/images/starfish.jpg",bdJpg);
    if (success == FALSE) {
        printf("%s\n",CkHttp_lastErrorText(http));
        CkBinData_Dispose(bdJpg);
        CkHttp_Dispose(http);
        return;
    }

    mailman = CkMailMan_Create();

    // Use your SMTP server..
    CkMailMan_putSmtpHost(mailman,"smtp.yourserver.com");
    CkMailMan_putSmtpPort(mailman,587);
    CkMailMan_putStartTLS(mailman,TRUE);

    // Set the SMTP login/password
    CkMailMan_putSmtpUsername(mailman,"my_login");
    CkMailMan_putSmtpPassword(mailman,"my_password");

    // Create an HTML email.
    email = CkEmail_Create();
    CkEmail_putSubject(email,"HTML Email with Image");
    CkEmail_putFrom(email,"Dave <somebody@mydomain.com>");
    CkEmail_AddTo(email,"Chilkat","info@chilkatsoft.com");

    html = "<html><body><p>This is an HTML email with an embedded image.</p><p><img src=\"starfish.jpg\" /></p></body></html>";
    CkEmail_SetHtmlBody(email,html);

    // Note: The "starfish.jpg" here must match the name in the "img" tag's "src" attribute in the HTML above.
    success = CkEmail_AddRelatedBd2(email,bdJpg,"starfish.jpg");
    if (success == FALSE) {
        printf("%s\n",CkEmail_lastErrorText(email));
        CkBinData_Dispose(bdJpg);
        CkHttp_Dispose(http);
        CkMailMan_Dispose(mailman);
        CkEmail_Dispose(email);
        return;
    }

    CkEmail_SaveEml(email,"qa_output/out.eml");

    // success = mailman.SendEmail(email);
    // if (success == ckfalse) {
    //     println mailman.LastErrorText;
    //     return;
    // }
    // 
    // ignore = mailman.CloseSmtpConnection();

    printf("Success.\n");


    CkBinData_Dispose(bdJpg);
    CkHttp_Dispose(http);
    CkMailMan_Dispose(mailman);
    CkEmail_Dispose(email);

    }