/*
 * Copyright 2011 Sven Weidauer <sven.weidauer@gmail.com>
 *
 * This file is part of NetSurf, http://www.netsurf-browser.org/
 *
 * NetSurf is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; version 2 of the License.
 *
 * NetSurf is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#import "utils/nsoption.h"
#import "utils/messages.h"
#import "utils/utils.h"
#import "utils/nsurl.h"
#import "netsurf/browser_window.h"

#import "cocoa/gui.h"
#import "cocoa/NetSurfAppDelegate.h"
#import "cocoa/SearchWindowController.h"
#import "cocoa/PreferencesWindowController.h"
#import "cocoa/HistoryWindowController.h"

@interface NetSurfAppDelegate ()

- (void)handleGetURLEvent:(NSAppleEventDescriptor *)event withReplyEvent:(NSAppleEventDescriptor *)replyEvent;

@end

@implementation NetSurfAppDelegate

- (void)newDocument:(id)sender
{
    nsurl *url;
    nserror error;

    if (nsoption_charp(homepage_url) != NULL) {
        error = nsurl_create(nsoption_charp(homepage_url), &url);
    } else {
        error = nsurl_create(NETSURF_HOMEPAGE, &url);
    }

    if (error == NSERROR_OK) {
        error = browser_window_create(BW_CREATE_HISTORY,
            url,
            NULL,
            NULL,
            NULL);
        nsurl_unref(url);
    }
    if (error != NSERROR_OK) {
        cocoa_warning(messages_get_errorcode(error), 0);
    }
}

- (void)openDocument:(id)sender
{
    nsurl *u;
    nserror error;

    NSOpenPanel *openPanel = [NSOpenPanel openPanel];
    [openPanel setAllowsMultipleSelection:YES];
    if ([openPanel runModalForTypes:nil] == NSModalResponseOK) {
        for (NSURL *url in [openPanel URLs]) {
            error = nsurl_create([[url absoluteString] UTF8String], &u);
            if (error == NSERROR_OK) {
                error = browser_window_create(BW_CREATE_HISTORY,
                    u,
                    NULL,
                    NULL,
                    NULL);
                nsurl_unref(u);
            }
            if (error != NSERROR_OK) {
                cocoa_warning(messages_get_errorcode(error), 0);
            }
        }
    }
}

- (void)handleGetURLEvent:(NSAppleEventDescriptor *)event withReplyEvent:(NSAppleEventDescriptor *)replyEvent
{
    nsurl *url;
    nserror error;
    NSString *urlAsString = [[event paramDescriptorForKeyword:keyDirectObject] stringValue];

    error = nsurl_create([urlAsString UTF8String], &url);
    if (error == NSERROR_OK) {
        error = browser_window_create(BW_CREATE_HISTORY,
            url,
            NULL,
            NULL,
            NULL);
        nsurl_unref(url);
    }
    if (error != NSERROR_OK) {
        cocoa_warning(messages_get_errorcode(error), 0);
    }
}

- (IBAction)showSearchWindow:(id)sender
{
    if (self.search == nil) {
        self.search = [[SearchWindowController alloc] init];
    }
    [self.search.window makeKeyAndOrderFront:self];
}

- (IBAction)searchForward:(id)sender
{
    [self.search search:SearchForward];
}

- (IBAction)searchBackward:(id)sender
{
    [self.search search:SearchBackward];
}

- (BOOL)validateMenuItem:(id)item
{
    SEL action = [item action];

    if (action == @selector(searchForward:)) {
        return [self.search canGoForward];
    } else if (action == @selector(searchBackward:)) {
        return [self.search canGoBack];
    }

    return YES;
}

- (IBAction)showPreferences:(id)sender
{
    if (self.preferences == nil) {
        self.preferences = [[PreferencesWindowController alloc] init];
    }
    [self.preferences showWindow:sender];
}

- (IBAction)showGlobalHistory:(id)sender
{
    if (self.history == nil) {
        self.history = [[HistoryWindowController alloc] init];
    }
    [self.history showWindow:sender];
}

// Application delegate methods

- (BOOL)applicationOpenUntitledFile:(NSApplication *)sender
{
    [self newDocument:self];
    return YES;
}

- (void)applicationWillFinishLaunching:(NSNotification *)aNotification
{
    NSAppleEventManager *appleEventManager = [NSAppleEventManager sharedAppleEventManager];
    [appleEventManager setEventHandler:self
                           andSelector:@selector(handleGetURLEvent:withReplyEvent:)
                         forEventClass:kInternetEventClass
                            andEventID:kAEGetURL];
}

- (BOOL)application:(NSApplication *)theApplication openFile:(NSString *)filename
{
    nsurl *url;
    nserror error;
    NSURL *urltxt = [NSURL fileURLWithPath:filename];

    error = nsurl_create([[urltxt absoluteString] UTF8String], &url);
    if (error == NSERROR_OK) {
        error = browser_window_create(BW_CREATE_HISTORY,
            url,
            NULL,
            NULL,
            NULL);
        nsurl_unref(url);
    }
    if (error != NSERROR_OK) {
        cocoa_warning(messages_get_errorcode(error), 0);
    }

    return YES;
}

@end