/*
 * Copyright (C) 2010 Google Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above
 * copyright notice, this list of conditions and the following disclaimer
 * in the documentation and/or other materials provided with the
 * distribution.
 *     * Neither the name of Google Inc. nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

/**
 * @fileoverview These stubs emulate backend functionality and allows
 * DevTools frontend to function as a standalone web app.
 */

if (!window["RemoteDebuggerAgent"]) {

/**
 * FIXME: change field naming style to use trailing underscore.
 * @constructor
 */
RemoteDebuggerAgentStub = function()
{
};


RemoteDebuggerAgentStub.prototype.getContextId = function()
{
    RemoteDebuggerAgent.setContextId(3);
};


RemoteDebuggerAgentStub.prototype.processDebugCommands = function()
{
};


/**
 * @constructor
 */
RemoteProfilerAgentStub = function()
{
};


RemoteProfilerAgentStub.prototype.getActiveProfilerModules = function()
{
    ProfilerStubHelper.GetInstance().getActiveProfilerModules();
};


RemoteProfilerAgentStub.prototype.getLogLines = function(pos)
{
    ProfilerStubHelper.GetInstance().getLogLines(pos);
};


/**
 * @constructor
 */
RemoteToolsAgentStub = function()
{
};


RemoteToolsAgentStub.prototype.dispatchOnInjectedScript = function()
{
};


RemoteToolsAgentStub.prototype.dispatchOnInspectorController = function()
{
};


/**
 * @constructor
 */
ProfilerStubHelper = function()
{
    this.activeProfilerModules_ = devtools.ProfilerAgent.ProfilerModules.PROFILER_MODULE_NONE;
    this.heapProfSample_ = 0;
    this.log_ = '';
};


ProfilerStubHelper.GetInstance = function()
{
    if (!ProfilerStubHelper.instance_)
        ProfilerStubHelper.instance_ = new ProfilerStubHelper();
    return ProfilerStubHelper.instance_;
};


ProfilerStubHelper.prototype.StopProfiling = function(modules)
{
    this.activeProfilerModules_ &= ~modules;
};


ProfilerStubHelper.prototype.StartProfiling = function(modules)
{
    var profModules = devtools.ProfilerAgent.ProfilerModules;
    if (modules & profModules.PROFILER_MODULE_HEAP_SNAPSHOT) {
        if (modules & profModules.PROFILER_MODULE_HEAP_STATS) {
            this.log_ +=
                'heap-sample-begin,"Heap","allocated",' +
                    (new Date()).getTime() + '\n' +
                'heap-sample-stats,"Heap","allocated",10000,1000\n';
            this.log_ +=
                'heap-sample-item,STRING_TYPE,100,1000\n' +
                'heap-sample-item,CODE_TYPE,10,200\n' +
                'heap-sample-item,MAP_TYPE,20,350\n';
            this.log_ += ProfilerStubHelper.HeapSamples[this.heapProfSample_++];
            this.heapProfSample_ %= ProfilerStubHelper.HeapSamples.length;
            this.log_ += 'heap-sample-end,"Heap","allocated"\n';
        }
    } else {
        if (modules & profModules.PROFILER_MODULE_CPU)
            this.log_ += ProfilerStubHelper.ProfilerLogBuffer;
        this.activeProfilerModules_ |= modules;
    }
};


ProfilerStubHelper.prototype.getActiveProfilerModules = function()
{
    var self = this;
    setTimeout(function() {
        RemoteProfilerAgent.didGetActiveProfilerModules(self.activeProfilerModules_);
    }, 100);
};


ProfilerStubHelper.prototype.getLogLines = function(pos)
{
    var profModules = devtools.ProfilerAgent.ProfilerModules;
    var logLines = this.log_.substr(pos);
    setTimeout(function() {
        RemoteProfilerAgent.didGetLogLines(pos + logLines.length, logLines);
    }, 100);
};


ProfilerStubHelper.ProfilerLogBuffer =
    'profiler,begin,1\n' +
    'profiler,resume\n' +
    'code-creation,LazyCompile,0x1000,256,"test1 http://aaa.js:1"\n' +
    'code-creation,LazyCompile,0x2000,256,"test2 http://bbb.js:2"\n' +
    'code-creation,LazyCompile,0x3000,256,"test3 http://ccc.js:3"\n' +
    'tick,0x1010,0x0,3\n' +
    'tick,0x2020,0x0,3,0x1010\n' +
    'tick,0x2020,0x0,3,0x1010\n' +
    'tick,0x3010,0x0,3,0x2020, 0x1010\n' +
    'tick,0x2020,0x0,3,0x1010\n' +
    'tick,0x2030,0x0,3,0x2020, 0x1010\n' +
    'tick,0x2020,0x0,3,0x1010\n' +
    'tick,0x1010,0x0,3\n' +
    'profiler,pause\n';


ProfilerStubHelper.HeapSamples = [
    'heap-js-cons-item,foo,1,100\n' +
    'heap-js-cons-item,bar,20,2000\n' +
    'heap-js-cons-item,Object,5,100\n' +
    'heap-js-ret-item,foo,bar;3\n' +
    'heap-js-ret-item,bar,foo;5\n' +
    'heap-js-ret-item,Object:0x1234,(roots);1\n',

    'heap-js-cons-item,foo,2000,200000\n' +
    'heap-js-cons-item,bar,10,1000\n' +
    'heap-js-cons-item,Object,6,120\n' +
    'heap-js-ret-item,foo,bar;7,Object:0x1234;10\n' +
    'heap-js-ret-item,bar,foo;10,Object:0x1234;10\n' +
    'heap-js-ret-item,Object:0x1234,(roots);1\n',

    'heap-js-cons-item,foo,15,1500\n' +
    'heap-js-cons-item,bar,15,1500\n' +
    'heap-js-cons-item,Object,5,100\n' +
    'heap-js-cons-item,Array,3,1000\n' +
    'heap-js-ret-item,foo,bar;3,Array:0x5678;1\n' +
    'heap-js-ret-item,bar,foo;5,Object:0x1234;8,Object:0x5678;2\n' +
    'heap-js-ret-item,Object:0x1234,(roots);1,Object:0x5678;2\n' +
    'heap-js-ret-item,Object:0x5678,(global property);3,Object:0x1234;5\n' +
    'heap-js-ret-item,Array:0x5678,(global property);3,Array:0x5678;2\n',

    'heap-js-cons-item,bar,20,2000\n' +
    'heap-js-cons-item,Object,6,120\n' +
    'heap-js-ret-item,bar,foo;5,Object:0x1234;1,Object:0x1235;3\n' +
    'heap-js-ret-item,Object:0x1234,(global property);3\n' +
    'heap-js-ret-item,Object:0x1235,(global property);5\n',

    'heap-js-cons-item,foo,15,1500\n' +
    'heap-js-cons-item,bar,15,1500\n' +
    'heap-js-cons-item,Array,10,1000\n' +
    'heap-js-ret-item,foo,bar;1,Array:0x5678;1\n' +
    'heap-js-ret-item,bar,foo;5\n' +
    'heap-js-ret-item,Array:0x5678,(roots);3\n',

    'heap-js-cons-item,bar,20,2000\n' +
    'heap-js-cons-item,baz,15,1500\n' +
    'heap-js-ret-item,bar,baz;3\n' +
    'heap-js-ret-item,baz,bar;3\n'
];


/**
 * @constructor
 */
RemoteDebuggerCommandExecutorStub = function()
{
};


RemoteDebuggerCommandExecutorStub.prototype.DebuggerCommand = function(cmd)
{
    if ('{"seq":2,"type":"request","command":"scripts","arguments":{"includeSource":false}}' === cmd) {
        var response1 =
            '{"seq":5,"request_seq":2,"type":"response","command":"scripts","' +
            'success":true,"body":[{"handle":61,"type":"script","name":"' +
            'http://www/~test/t.js","id":59,"lineOffset":0,"columnOffset":0,' +
            '"lineCount":1,"sourceStart":"function fib(n) {","sourceLength":300,' +
            '"scriptType":2,"compilationType":0,"context":{"ref":60}}],"refs":[{' +
            '"handle":60,"type":"context","data":"page,3"}],"running":false}';
        this.sendResponse_(response1);
    } else if ('{"seq":3,"type":"request","command":"scripts","arguments":{"ids":[59],"includeSource":true}}' === cmd) {
        this.sendResponse_(
            '{"seq":8,"request_seq":3,"type":"response","command":"scripts",' +
            '"success":true,"body":[{"handle":1,"type":"script","name":' +
            '"http://www/~test/t.js","id":59,"lineOffset":0,"columnOffset":0,' +
            '"lineCount":1,"source":"function fib(n) {return n+1;}",' +
            '"sourceLength":244,"scriptType":2,"compilationType":0,"context":{' +
            '"ref":0}}],"refs":[{"handle":0,"type":"context","data":"page,3}],"' +
            '"running":false}');
    } else if (cmd.indexOf('"command":"profile"') !== -1) {
        var cmdObj = JSON.parse(cmd);
        if (cmdObj.arguments.command === "resume")
            ProfilerStubHelper.GetInstance().StartProfiling(parseInt(cmdObj.arguments.modules));
        else if (cmdObj.arguments.command === "pause")
            ProfilerStubHelper.GetInstance().StopProfiling(parseInt(cmdObj.arguments.modules));
        else
            debugPrint("Unexpected profile command: " + cmdObj.arguments.command);
    } else
        debugPrint("Unexpected command: " + cmd);
};


RemoteDebuggerCommandExecutorStub.prototype.DebuggerPauseScript = function()
{
};


RemoteDebuggerCommandExecutorStub.prototype.sendResponse_ = function(response)
{
    setTimeout(function() {
        RemoteDebuggerAgent.debuggerOutput(response);
    }, 0);
};


DevToolsHostStub = function()
{
    this.isStub = true;
};
DevToolsHostStub.prototype.__proto__ = WebInspector.InspectorFrontendHostStub.prototype;


DevToolsHostStub.prototype.reset = function()
{
};


DevToolsHostStub.prototype.setting = function()
{
};


DevToolsHostStub.prototype.setSetting = function()
{
};


window["RemoteDebuggerAgent"] = new RemoteDebuggerAgentStub();
window["RemoteDebuggerCommandExecutor"] = new RemoteDebuggerCommandExecutorStub();
window["RemoteProfilerAgent"] = new RemoteProfilerAgentStub();
window["RemoteToolsAgent"] = new RemoteToolsAgentStub();
InspectorFrontendHost = new DevToolsHostStub();

}