/*
 * Copyright 2017 Haiku Inc. All rights reserved.
 * Distributed under the terms of the MIT License.
 *
 * Authors:
 *              Brian Hill
 */


#include "AddRepoWindow.h"

#include <Alert.h>
#include <Application.h>
#include <Catalog.h>
#include <Clipboard.h>
#include <LayoutBuilder.h>
#include <Url.h>

#include "constants.h"

#undef B_TRANSLATION_CONTEXT
#define B_TRANSLATION_CONTEXT "AddRepoWindow"

static float sAddWindowWidth = 500.0;


AddRepoWindow::AddRepoWindow(BRect size, const BMessenger& messenger)
        :
        BWindow(BRect(0, 0, sAddWindowWidth, 10), "AddWindow", B_MODAL_WINDOW,
                B_ASYNCHRONOUS_CONTROLS | B_AUTO_UPDATE_SIZE_LIMITS | B_CLOSE_ON_ESCAPE),
        fReplyMessenger(messenger)
{
        fText = new BTextControl("text", B_TRANSLATE_COMMENT("Repository URL:",
                "Text box label"), "", new BMessage(ADD_BUTTON_PRESSED));
        fAddButton = new BButton(B_TRANSLATE_COMMENT("Add", "Button label"),
                new BMessage(ADD_BUTTON_PRESSED));
        fAddButton->MakeDefault(true);
        fCancelButton = new BButton(kCancelLabel,
                new BMessage(CANCEL_BUTTON_PRESSED));

        BLayoutBuilder::Group<>(this, B_VERTICAL)
                .SetInsets(B_USE_WINDOW_SPACING)
                .Add(fText)
                .AddGroup(B_HORIZONTAL, B_USE_DEFAULT_SPACING)
                        .AddGlue()
                        .Add(fCancelButton)
                        .Add(fAddButton)
                .End()
        .End();
        _GetClipboardData();
        fText->MakeFocus();

        // Move to the center of the preflet window
        CenterIn(size);
        float widthDifference = size.Width() - Frame().Width();
        if (widthDifference < 0)
                MoveBy(widthDifference / 2.0, 0);
        Show();
}


void
AddRepoWindow::Quit()
{
        fReplyMessenger.SendMessage(ADD_WINDOW_CLOSED);
        BWindow::Quit();
}


void
AddRepoWindow::MessageReceived(BMessage* message)
{
        switch (message->what)
        {
                case CANCEL_BUTTON_PRESSED:
                        if (QuitRequested())
                                Quit();
                        break;

                case ADD_BUTTON_PRESSED:
                {
                        BString url(fText->Text());
                        if (url != "") {
                                // URL must have a protocol
                                BUrl newRepoUrl(url, true);
                                if (!newRepoUrl.IsValid()) {
                                        BAlert* alert = new BAlert("error",
                                                B_TRANSLATE_COMMENT("This is not a valid URL.",
                                                        "Add URL error message"),
                                                kOKLabel, NULL, NULL, B_WIDTH_AS_USUAL, B_STOP_ALERT);
                                        alert->SetFeel(B_MODAL_APP_WINDOW_FEEL);
                                        alert->Go(NULL);
                                        // Center the alert to this window and move down some
                                        alert->CenterIn(Frame());
                                        alert->MoveBy(0, kAddWindowOffset);
                                } else {
                                        BMessage* addMessage = new BMessage(ADD_REPO_URL);
                                        addMessage->AddString(key_url, url);
                                        fReplyMessenger.SendMessage(addMessage);
                                        Quit();
                                }
                        }
                        break;
                }
                
                default:
                        BWindow::MessageReceived(message);
        }
}


void
AddRepoWindow::FrameResized(float newWidth, float newHeight)
{
        sAddWindowWidth = newWidth;
}


status_t
AddRepoWindow::_GetClipboardData()
{
        if (be_clipboard->Lock()) {
                const char* string;
                ssize_t stringLen;
                BMessage* clip = be_clipboard->Data();
                clip->FindData("text/plain", B_MIME_TYPE, (const void **)&string,
                        &stringLen);
                be_clipboard->Unlock();

                // The string must be a valid url
                BString clipString(string, stringLen);
                BUrl testUrl(clipString.String(), true);
                if (!testUrl.IsValid())
                        return B_ERROR;
                else
                        fText->SetText(clipString);
        }
        return B_OK;
}