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package com.simiacryptus.skyenet.apps.general

import com.simiacryptus.diff.addApplyFileDiffLinks
import com.simiacryptus.jopenai.API
import com.simiacryptus.jopenai.ApiModel
import com.simiacryptus.jopenai.ApiModel.Role
import com.simiacryptus.jopenai.ChatClient
import com.simiacryptus.jopenai.describe.Description
import com.simiacryptus.jopenai.models.ChatModels
import com.simiacryptus.jopenai.models.ImageModels
import com.simiacryptus.jopenai.models.OpenAIModels
import com.simiacryptus.jopenai.proxy.ValidatedObject
import com.simiacryptus.jopenai.util.ClientUtil.toContentList
import com.simiacryptus.jopenai.util.JsonUtil
import com.simiacryptus.skyenet.AgentPatterns
import com.simiacryptus.skyenet.Discussable
import com.simiacryptus.skyenet.TabbedDisplay
import com.simiacryptus.skyenet.core.actors.*
import com.simiacryptus.skyenet.core.platform.ClientManager
import com.simiacryptus.skyenet.core.platform.Session
import com.simiacryptus.skyenet.core.platform.StorageInterface
import com.simiacryptus.skyenet.core.platform.User
import com.simiacryptus.skyenet.webui.application.ApplicationInterface
import com.simiacryptus.skyenet.webui.application.ApplicationServer
import com.simiacryptus.skyenet.webui.session.SessionTask
import com.simiacryptus.skyenet.webui.util.MarkdownUtil.renderMarkdown
import org.intellij.lang.annotations.Language
import java.io.ByteArrayOutputStream
import java.io.File
import java.nio.file.Path
import java.util.concurrent.Semaphore
import java.util.concurrent.atomic.AtomicReference
import javax.imageio.ImageIO
import kotlin.io.path.name

open class WebDevApp(
    applicationName: String = "Web Dev Assistant v1.2",
    open val symbols: Map = mapOf(),
    val temperature: Double = 0.1,
) : ApplicationServer(
    applicationName = applicationName,
    path = "/webdev",
) {
    override fun userMessage(
        session: Session,
        user: User?,
        userMessage: String,
        ui: ApplicationInterface,
        api: API
    ) {
        val settings = getSettings(session, user) ?: Settings()
        (api as ChatClient).budget = settings.budget ?: 2.00
        WebDevAgent(
            api = api,
            dataStorage = dataStorage,
            session = session,
            user = user,
            ui = ui,
            tools = settings.tools,
            model = settings.model,
            parsingModel = settings.parsingModel,
            root = root,
        ).start(
            userMessage = userMessage,
        )
    }

    data class Settings(
        val budget: Double? = 2.00,
        val tools: List = emptyList(),
        val model: ChatModels = OpenAIModels.GPT4o,
        val parsingModel: ChatModels = OpenAIModels.GPT4oMini,
    )

    override val settingsClass: Class<*> get() = Settings::class.java

    @Suppress("UNCHECKED_CAST")
    override fun  initSettings(session: Session): T? = Settings() as T
}

class WebDevAgent(
    val api: API,
    dataStorage: StorageInterface,
    session: Session,
    user: User?,
    val ui: ApplicationInterface,
    val model: ChatModels,
    val parsingModel: ChatModels,
    val tools: List = emptyList(),
    @Language("Markdown") val actorMap: Map> = mapOf(
        ActorTypes.ArchitectureDiscussionActor to ParsedActor(
//      parserClass = PageResourceListParser::class.java,
            resultClass = ProjectSpec::class.java,
            prompt = """
                |Translate the user's idea into a detailed architecture for a simple web application. 
                |          
                |          List all html, css, javascript, and image files to be created, and for each file:
                |          1. Mark with filename tags.
                |          2. Describe the public interface / interaction with other components.
                |          3. Core functional requirements.
                |          
                |Specify user interactions and how the application will respond to them.
                |Identify key HTML classes and element IDs that will be used to bind the application to the HTML.
                """.trimMargin(),
            model = model,
            parsingModel = parsingModel,
        ),
        ActorTypes.CodeReviewer to SimpleActor(
            prompt = """
                |Analyze the code summarized in the user's header-labeled code blocks.
                |Review, look for bugs, and provide fixes. 
                |Provide implementations for missing functions.
                |
                |Response should use one or more code patches in diff format within ```diff code blocks.
                |Each diff should be preceded by a header that identifies the file being modified.
                |The diff format should use + for line additions, - for line deletions.
                |The diff should include 2 lines of context before and after every change.
                |
                |Example:
                |
                |Here are the patches:
                |
                |### src/utils/exampleUtils.js
                |```diff
                | // Utility functions for example feature
                | const b = 2;
                | function exampleFunction() {
                |-   return b + 1;
                |+   return b + 2;
                | }
                |```
                |
                |### tests/exampleUtils.test.js
                |```diff
                | // Unit tests for exampleUtils
                | const assert = require('assert');
                | const { exampleFunction } = require('../src/utils/exampleUtils');
                | 
                | describe('exampleFunction', () => {
                |-   it('should return 3', () => {
                |+   it('should return 4', () => {
                |     assert.equal(exampleFunction(), 3);
                |   });
                | });
                |```
                """.trimMargin(),
            model = model,
        ),
        ActorTypes.HtmlCodingActor to SimpleActor(
            prompt = """
                |You will translate the user request into a skeleton HTML file for a rich javascript application.
                |The html file can reference needed CSS and JS files, which are will be located in the same directory as the html file.
                |Do not output the content of the resource files, only the html file.
                """.trimMargin(), model = model
        ),
        ActorTypes.JavascriptCodingActor to SimpleActor(
            prompt = """
                |You will translate the user request into a javascript file for use in a rich javascript application.
                """.trimMargin(), model = model
        ),
        ActorTypes.CssCodingActor to SimpleActor(
            prompt = """
              |You will translate the user request into a CSS file for use in a rich javascript application.
              """.trimMargin(), model = model
        ),
        ActorTypes.EtcCodingActor to SimpleActor(
            prompt = """
              |You will translate the user request into a file for use in a web application.
            """.trimMargin(),
            model = model,
        ),
        ActorTypes.ImageActor to ImageActor(
            prompt = """
              |You will translate the user request into an image file for use in a web application.
            """.trimMargin(),
            textModel = model,
            imageModel = ImageModels.DallE3,
        ),
    ),
    val root: File,
) : ActorSystem(actorMap.map { it.key.name to it.value }.toMap(), dataStorage, user, session) {
    enum class ActorTypes {
        HtmlCodingActor,
        JavascriptCodingActor,
        CssCodingActor,
        ArchitectureDiscussionActor,
        CodeReviewer,
        EtcCodingActor,
        ImageActor,
    }

    private val architectureDiscussionActor by lazy { getActor(ActorTypes.ArchitectureDiscussionActor) as ParsedActor }
    private val htmlActor by lazy { getActor(ActorTypes.HtmlCodingActor) as SimpleActor }
    private val imageActor by lazy { getActor(ActorTypes.ImageActor) as ImageActor }
    private val javascriptActor by lazy { getActor(ActorTypes.JavascriptCodingActor) as SimpleActor }
    private val cssActor by lazy { getActor(ActorTypes.CssCodingActor) as SimpleActor }
    private val codeReviewer by lazy { getActor(ActorTypes.CodeReviewer) as SimpleActor }
    private val etcActor by lazy { getActor(ActorTypes.EtcCodingActor) as SimpleActor }

    private val codeFiles = mutableSetOf()

    fun start(
        userMessage: String,
    ) {
        val task = ui.newTask()
        val toInput = { it: String -> listOf(it) }
        val architectureResponse = Discussable(
            task = task,
            userMessage = { userMessage },
            initialResponse = { it: String -> architectureDiscussionActor.answer(toInput(it), api = api) },
            outputFn = { design: ParsedResponse ->
                //        renderMarkdown("${design.text}\n\n```json\n${JsonUtil.toJson(design.obj)/*.indent("  ")*/}\n```")
                AgentPatterns.displayMapInTabs(
                    mapOf(
                        "Text" to renderMarkdown(design.text, ui = ui),
                        "JSON" to renderMarkdown(
                            "```json\n${JsonUtil.toJson(design.obj)/*.indent("  ")*/}\n```",
                            ui = ui
                        ),
                    )
                )
            },
            ui = ui,
            reviseResponse = { userMessages: List> ->
                architectureDiscussionActor.respond(
                    messages = (userMessages.map { ApiModel.ChatMessage(it.second, it.first.toContentList()) }
                        .toTypedArray()),
                    input = toInput(userMessage),
                    api = api
                )
            },
            atomicRef = AtomicReference(),
            semaphore = Semaphore(0),
            heading = userMessage
        ).call()


        try {
//            val toolSpecs = tools.map { ToolServlet.tools.find { t -> t.path == it } }
//                .joinToString("\n\n") { it?.let { JsonUtil.toJson(it.openApiDescription) } ?: "" }
//            var messageWithTools = userMessage
//            if (toolSpecs.isNotBlank()) messageWithTools += "\n\nThese services are available:\n$toolSpecs"
            task.echo(
                renderMarkdown(
                    "```json\n${JsonUtil.toJson(architectureResponse.obj)/*.indent("  ")*/}\n```",
                    ui = ui
                )
            )
            val fileTabs = TabbedDisplay(task)
            architectureResponse.obj.files.filter {
                !it.name!!.startsWith("http")
            }.map { (path, description) ->
                val task = ui.newTask(false).apply { fileTabs[path.toString()] = placeholder }
                task.header("Drafting $path")
                codeFiles.add(File(path).toPath())
                pool.submit {
                    when (path!!.split(".").last().lowercase()) {

                        "js" -> draftResourceCode(
                            task = task,
                            request = javascriptActor.chatMessages(
                                listOf(
//                                    messageWithTools,
                                    architectureResponse.text,
                                    "Render $path - $description"
                                )
                            ),
                            actor = javascriptActor,
                            path = File(path).toPath(), "js", "javascript"
                        )


                        "css" -> draftResourceCode(
                            task = task,
                            request = cssActor.chatMessages(
                                listOf(
//                                    messageWithTools,
                                    architectureResponse.text,
                                    "Render $path - $description"
                                )
                            ),
                            actor = cssActor,
                            path = File(path).toPath()
                        )

                        "html" -> draftResourceCode(
                            task = task,
                            request = htmlActor.chatMessages(
                                listOf(
//                                    messageWithTools,
                                    architectureResponse.text,
                                    "Render $path - $description"
                                )
                            ),
                            actor = htmlActor,
                            path = File(path).toPath()
                        )

                        "png" -> draftImage(
                            task = task,
                            request = etcActor.chatMessages(
                                listOf(
//                                    messageWithTools,
                                    architectureResponse.text,
                                    "Render $path - $description"
                                )
                            ),
                            actor = imageActor,
                            path = File(path).toPath()
                        )

                        "jpg" -> draftImage(
                            task = task,
                            request = etcActor.chatMessages(
                                listOf(
//                                    messageWithTools,
                                    architectureResponse.text,
                                    "Render $path - $description"
                                )
                            ),
                            actor = imageActor,
                            path = File(path).toPath()
                        )

                        else -> draftResourceCode(
                            task = task,
                            request = etcActor.chatMessages(
                                listOf(
//                                    messageWithTools,
                                    architectureResponse.text,
                                    "Render $path - $description"
                                )
                            ),
                            actor = etcActor,
                            path = File(path).toPath()
                        )

                    }
                }
            }.toTypedArray().forEach { it.get() }
            // Apply codeReviewer

            iterateCode(task)
        } catch (e: Throwable) {
            log.warn("Error", e)
            task.error(ui, e)
        }
    }

    fun codeSummary() = codeFiles.filter {
        if (it.name.lowercase().endsWith(".png")) return@filter false
        if (it.name.lowercase().endsWith(".jpg")) return@filter false
        true
    }.joinToString("\n\n") { path ->
        "# $path\n```${path.toString().split('.').last()}\n${root.resolve(path.toFile()).readText()}\n```"
    }

    private fun iterateCode(
        task: SessionTask
    ) {
        Discussable(
            task = task,
            heading = "Code Refinement",
            userMessage = { codeSummary() },
            initialResponse = {
                codeReviewer.answer(listOf(it), api = api)
            },
            outputFn = { code ->
                renderMarkdown(
                    ui.socketManager!!.addApplyFileDiffLinks(
                        root = root.toPath(),
                        response = code,
                        handle = { newCodeMap ->
                            newCodeMap.forEach { (path, newCode) ->
                                task.complete("$path Updated")
                            }
                        },
                        ui = ui,
                        api = api
                    )
                )
            },
            ui = ui,
            reviseResponse = { userMessages ->
                val userMessages = userMessages.toMutableList()
                userMessages.set(0, userMessages.get(0).copy(first = codeSummary()))
                val combinedMessages =
                    userMessages.map { ApiModel.ChatMessage(Role.user, it.first.toContentList()) }
                codeReviewer.respond(
                    input = listOf(element = combinedMessages.joinToString("\n")),
                    api = api,
                    messages = combinedMessages.toTypedArray(),
                )
            },
        ).call()
    }

    private fun draftImage(
        task: SessionTask,
        request: Array,
        actor: ImageActor,
        path: Path,
    ) {
        try {
            var code = Discussable(
                task = task,
                userMessage = { "" },
                heading = "Drafting $path",
                initialResponse = {
                    val messages = (request + ApiModel.ChatMessage(Role.user, "Draft $path".toContentList()))
                        .toList().toTypedArray()
                    actor.respond(
                        listOf(request.joinToString("\n") { it.content?.joinToString() ?: "" }),
                        api,
                        *messages
                    )

                },
                outputFn = { img ->
                    renderMarkdown(
                        "", ui = ui
                    )
                },
                ui = ui,
                reviseResponse = { userMessages: List> ->
                    actor.respond(
                        messages = (request.toList() + userMessages.map {
                            ApiModel.ChatMessage(
                                it.second,
                                it.first.toContentList()
                            )
                        })
                            .toTypedArray(),
                        input = listOf(element = (request.toList() + userMessages.map {
                            ApiModel.ChatMessage(
                                it.second,
                                it.first.toContentList()
                            )
                        })
                            .joinToString("\n") { it.content?.joinToString() ?: "" }),
                        api = api,
                    )
                },
            ).call()
            task.complete(
                renderMarkdown(
                    "", ui = ui
                )
            )
        } catch (e: Throwable) {
            val error = task.error(ui, e)
            task.complete(ui.hrefLink("♻", "href-link regen-button") {
                error?.clear()
                draftImage(task, request, actor, path)
            })
        }
    }

    private fun write(
        code: ImageResponse,
        path: Path
    ): ByteArray {
        val byteArrayOutputStream = ByteArrayOutputStream()
        ImageIO.write(
            code.image,
            path.toString().split(".").last(),
            byteArrayOutputStream
        )
        val bytes = byteArrayOutputStream.toByteArray()
        return bytes
    }

    private fun draftResourceCode(
        task: SessionTask,
        request: Array,
        actor: SimpleActor,
        path: Path,
        vararg languages: String = arrayOf(path.toString().split(".").last().lowercase()),
    ) {
        try {
            var code = Discussable(
                task = task,
                userMessage = { "Drafting $path" },
                heading = "",
                initialResponse = {
                    actor.respond(
                        listOf(request.joinToString("\n") { it.content?.joinToString() ?: "" }),
                        api,
                        *(request + ApiModel.ChatMessage(Role.user, "Draft $path".toContentList()))
                            .toList().toTypedArray()
                    )
                },
                outputFn = { design: String ->
                    var design = design
                    languages.forEach { language ->
                        if (design.contains("```$language")) {
                            design = design.substringAfter("```$language").substringBefore("```")
                        }
                    }
                    renderMarkdown("```${languages.first()}\n${design.let { it }}\n```", ui = ui)
                },
                ui = ui,
                reviseResponse = { userMessages: List> ->
                    actor.respond(
                        messages = (request.toList() + userMessages.map {
                            ApiModel.ChatMessage(
                                it.second,
                                it.first.toContentList()
                            )
                        })
                            .toTypedArray(),
                        input = listOf(element = (request.toList() + userMessages.map {
                            ApiModel.ChatMessage(
                                it.second,
                                it.first.toContentList()
                            )
                        })
                            .joinToString("\n") { it.content?.joinToString() ?: "" }),
                        api = api,
                    )
                },
            ).call()
            code = extractCode(code)
            task.complete(
                "$path Updated"
            )
        } catch (e: Throwable) {
            val error = task.error(ui, e)
            task.complete(ui.hrefLink("♻", "href-link regen-button") {
                error?.clear()
                draftResourceCode(task, request, actor, path, *languages)
            })
        }
    }

    private fun extractCode(code: String): String {
        var code = code
        code = code.trim()
        "(?s)```[^\\n]*\n(.*)\n```".toRegex().find(code)?.let {
            code = it.groupValues[1]
        }
        return code
    }

    companion object {
        val log = org.slf4j.LoggerFactory.getLogger(WebDevAgent::class.java)

        data class ProjectSpec(
            @Description("Files in the project design, including all local html, css, and js files.")
            val files: List = emptyList()
        ) : ValidatedObject {
            override fun validate(): String? = when {
                files.isEmpty() -> "Resources are required"
                files.any { it.validate() != null } -> "Invalid resource"
                else -> null
            }
        }

        data class ProjectFile(
            @Description("The path to the file, relative to the project root.")
            val name: String? = "",
            @Description("A brief description of the file's purpose and contents.")
            val description: String? = ""
        ) : ValidatedObject {
            override fun validate(): String? = when {
                name.isNullOrBlank() -> "Path is required"
                name.contains(" ") -> "Path cannot contain spaces"
                !name.contains(".") -> "Path must contain a file extension"
                else -> null
            }
        }

    }
}




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