import { fileURLToPath as __fileURLToPath } from 'url';
import { dirname as __pathDirname } from 'path';
const __filename = __fileURLToPath(import.meta.url);
const __dirname = __pathDirname(__filename);
import { v4 as uuidv4 } from "uuid";
import * as fs from "fs/promises";
import * as path from "path";
import { execSync } from "child_process";
import { logger } from "../../../core/monitoring/logger.js";
import { FrameManager } from "../../../core/context/frame-manager.js";
import { SessionManager } from "../../../core/session/session-manager.js";
import { SQLiteAdapter } from "../../../core/database/sqlite-adapter.js";
import { ContextBudgetManager } from "../context/context-budget-manager.js";
import { StateReconciler } from "../state/state-reconciler.js";
import {
  IterationLifecycle
} from "../lifecycle/iteration-lifecycle.js";
import { PerformanceOptimizer } from "../performance/performance-optimizer.js";
class RalphStackMemoryBridge {
  state;
  config;
  frameManager;
  sessionManager;
  recoveryState;
  ralphDir = ".ralph";
  requiresDatabase;
  constructor(options) {
    this.config = this.mergeConfig(options?.config);
    this.requiresDatabase = options?.useStackMemory !== false;
    this.state = {
      initialized: false,
      contextManager: new ContextBudgetManager(this.config.contextBudget),
      stateReconciler: new StateReconciler(this.config.stateReconciliation),
      performanceOptimizer: new PerformanceOptimizer(this.config.performance)
    };
    this.sessionManager = SessionManager.getInstance();
    this.setupLifecycleHooks(options);
    logger.info("Ralph-StackMemory Bridge initialized", {
      config: {
        maxTokens: this.config.contextBudget.maxTokens,
        asyncSaves: this.config.performance.asyncSaves,
        checkpoints: this.config.lifecycle.checkpoints.enabled
      }
    });
  }
  /**
   * Initialize bridge with session
   */
  async initialize(options) {
    logger.info("Initializing bridge", options);
    try {
      await this.sessionManager.initialize();
      const session = await this.sessionManager.getOrCreateSession({
        sessionId: options?.sessionId
      });
      this.state.currentSession = session;
      const dbAdapter = await this.getDatabaseAdapter();
      await dbAdapter.connect();
      const db = dbAdapter.db;
      const projectId = path.basename(this.ralphDir);
      this.frameManager = new FrameManager(db, projectId, { skipContextBridge: true });
      if (this.requiresDatabase) {
        if (session.database && session.projectId) {
          this.frameManager = new FrameManager(
            session.database,
            session.projectId,
            {
              skipContextBridge: true
            }
          );
        } else {
          throw new Error(
            "Session database not available for FrameManager initialization. If StackMemory features are not needed, set useStackMemory: false in options"
          );
        }
      } else {
        logger.info(
          "Running without StackMemory database (useStackMemory: false)"
        );
      }
      if (options?.loopId) {
        await this.resumeLoop(options.loopId);
      } else if (options?.task && options?.criteria) {
        await this.createNewLoop(options.task, options.criteria);
      } else {
        await this.attemptRecovery();
      }
      this.state.initialized = true;
      logger.info("Bridge initialized successfully");
    } catch (error) {
      logger.error("Bridge initialization failed", { error: error.message });
      throw error;
    }
  }
  /**
   * Create new Ralph loop with StackMemory integration
   */
  async createNewLoop(task, criteria) {
    logger.info("Creating new Ralph loop", { task: task.substring(0, 100) });
    const loopId = uuidv4();
    const startTime = Date.now();
    const loopState = {
      loopId,
      task,
      criteria,
      iteration: 0,
      status: "initialized",
      startTime,
      lastUpdateTime: startTime,
      startCommit: await this.getCurrentGitCommit()
    };
    await this.initializeRalphDirectory(loopState);
    const rootFrame = await this.createRootFrame(loopState);
    await this.saveLoopState(loopState);
    this.state.activeLoop = loopState;
    logger.info("Ralph loop created", {
      loopId,
      frameId: rootFrame.frame_id
    });
    return loopState;
  }
  /**
   * Resume existing loop
   */
  async resumeLoop(loopId) {
    logger.info("Resuming loop", { loopId });
    const sources = await this.gatherStateSources(loopId);
    const reconciledState = await this.state.stateReconciler.reconcile(sources);
    if (this.config.stateReconciliation.validateConsistency) {
      const validation = await this.state.stateReconciler.validateConsistency(reconciledState);
      if (validation.errors.length > 0) {
        logger.error("State validation failed", { errors: validation.errors });
        throw new Error(`Invalid state: ${validation.errors.join(", ")}`);
      }
    }
    this.state.activeLoop = reconciledState;
    const context = await this.loadIterationContext(reconciledState);
    logger.info("Loop resumed", {
      loopId,
      iteration: reconciledState.iteration,
      status: reconciledState.status
    });
    return reconciledState;
  }
  /**
   * Run worker iteration
   */
  async runWorkerIteration() {
    if (!this.state.activeLoop) {
      throw new Error("No active loop");
    }
    const iterationNumber = this.state.activeLoop.iteration + 1;
    logger.info("Starting worker iteration", { iteration: iterationNumber });
    let context = await this.loadIterationContext(this.state.activeLoop);
    context = this.state.contextManager.allocateBudget(context);
    if (this.config.contextBudget.compressionEnabled) {
      context = this.state.contextManager.compressContext(context);
    }
    const lifecycle = this.getLifecycle();
    context = await lifecycle.startIteration(iterationNumber, context);
    const iteration = await this.executeWorkerIteration(context);
    await this.saveIterationResults(iteration);
    await lifecycle.completeIteration(iteration);
    this.state.activeLoop.iteration = iterationNumber;
    this.state.activeLoop.lastUpdateTime = Date.now();
    await this.saveLoopState(this.state.activeLoop);
    logger.info("Worker iteration completed", {
      iteration: iterationNumber,
      changes: iteration.changes.length,
      success: iteration.validation.testsPass
    });
    return iteration;
  }
  /**
   * Run reviewer iteration
   */
  async runReviewerIteration() {
    if (!this.state.activeLoop) {
      throw new Error("No active loop");
    }
    logger.info("Starting reviewer iteration", {
      iteration: this.state.activeLoop.iteration
    });
    const evaluation = await this.evaluateCompletion();
    if (evaluation.complete) {
      this.state.activeLoop.status = "completed";
      this.state.activeLoop.completionData = evaluation;
      await this.saveLoopState(this.state.activeLoop);
      const lifecycle = this.getLifecycle();
      await lifecycle.handleCompletion(this.state.activeLoop);
      logger.info("Task completed successfully");
      return { complete: true };
    }
    const feedback = this.generateFeedback(evaluation);
    this.state.activeLoop.feedback = feedback;
    await this.saveLoopState(this.state.activeLoop);
    logger.info("Reviewer iteration completed", {
      complete: false,
      feedbackLength: feedback.length
    });
    return { complete: false, feedback };
  }
  /**
   * Rehydrate session from StackMemory
   */
  async rehydrateSession(sessionId) {
    logger.info("Rehydrating session", { sessionId });
    const session = await this.sessionManager.getSession(sessionId);
    if (!session) {
      throw new Error(`Session not found: ${sessionId}`);
    }
    const frames = await this.loadSessionFrames(sessionId);
    const ralphFrames = frames.filter(
      (f) => f.type === "task" && f.name.startsWith("ralph-")
    );
    if (ralphFrames.length === 0) {
      throw new Error("No Ralph loops found in session");
    }
    const latestLoop = ralphFrames[ralphFrames.length - 1];
    const loopState = await this.reconstructLoopState(latestLoop);
    const context = await this.buildContextFromFrames(frames, loopState);
    this.state.activeLoop = loopState;
    logger.info("Session rehydrated", {
      loopId: loopState.loopId,
      iteration: loopState.iteration,
      frameCount: frames.length
    });
    return context;
  }
  /**
   * Create checkpoint
   */
  async createCheckpoint() {
    if (!this.state.activeLoop) {
      throw new Error("No active loop");
    }
    const lifecycle = this.getLifecycle();
    const iteration = {
      number: this.state.activeLoop.iteration,
      timestamp: Date.now(),
      analysis: {
        filesCount: 0,
        testsPass: true,
        testsFail: 0,
        lastChange: await this.getCurrentGitCommit()
      },
      plan: {
        summary: "Checkpoint",
        steps: [],
        priority: "low"
      },
      changes: [],
      validation: {
        testsPass: true,
        lintClean: true,
        buildSuccess: true,
        errors: [],
        warnings: []
      }
    };
    const checkpoint = await lifecycle.createCheckpoint(iteration);
    logger.info("Checkpoint created", {
      id: checkpoint.id,
      iteration: checkpoint.iteration
    });
    return checkpoint;
  }
  /**
   * Restore from checkpoint
   */
  async restoreFromCheckpoint(checkpointId) {
    const lifecycle = this.getLifecycle();
    await lifecycle.restoreFromCheckpoint(checkpointId);
    const sources = await this.gatherStateSources(
      this.state.activeLoop?.loopId || ""
    );
    const reconciledState = await this.state.stateReconciler.reconcile(sources);
    this.state.activeLoop = reconciledState;
    logger.info("Restored from checkpoint", {
      checkpointId,
      iteration: reconciledState.iteration
    });
  }
  /**
   * Get performance metrics
   */
  getPerformanceMetrics() {
    return this.state.performanceOptimizer.getMetrics();
  }
  /**
   * Start a new Ralph loop
   */
  async startLoop(options) {
    const state = await this.createNewLoop(options.task, options.criteria);
    return state.loopId;
  }
  /**
   * Stop the active loop
   */
  async stopLoop() {
    if (!this.state.activeLoop) {
      logger.warn("No active loop to stop");
      return;
    }
    this.state.activeLoop.status = "completed";
    this.state.activeLoop.lastUpdateTime = Date.now();
    await this.saveLoopState(this.state.activeLoop);
    const lifecycle = this.getLifecycle();
    await lifecycle.handleCompletion(this.state.activeLoop);
    logger.info("Ralph loop stopped", { loopId: this.state.activeLoop.loopId });
    this.state.activeLoop = void 0;
  }
  /**
   * Cleanup resources
   */
  async cleanup() {
    logger.info("Cleaning up bridge resources");
    await this.state.performanceOptimizer.flushBatch();
    this.getLifecycle().cleanup();
    this.state.performanceOptimizer.cleanup();
    logger.info("Bridge cleanup completed");
  }
  /**
   * Merge configuration with defaults
   */
  mergeConfig(config) {
    return {
      contextBudget: {
        maxTokens: 4e3,
        priorityWeights: {
          task: 0.3,
          recentWork: 0.25,
          feedback: 0.2,
          gitHistory: 0.15,
          dependencies: 0.1
        },
        compressionEnabled: true,
        adaptiveBudgeting: true,
        ...config?.contextBudget
      },
      stateReconciliation: {
        precedence: ["git", "files", "memory"],
        conflictResolution: "automatic",
        syncInterval: 5e3,
        validateConsistency: true,
        ...config?.stateReconciliation
      },
      lifecycle: {
        hooks: {
          preIteration: true,
          postIteration: true,
          onStateChange: true,
          onError: true,
          onComplete: true
        },
        checkpoints: {
          enabled: true,
          frequency: 5,
          retentionDays: 7
        },
        ...config?.lifecycle
      },
      performance: {
        asyncSaves: true,
        batchSize: 10,
        compressionLevel: 2,
        cacheEnabled: true,
        parallelOperations: true,
        ...config?.performance
      }
    };
  }
  /**
   * Setup lifecycle hooks
   */
  setupLifecycleHooks(options) {
    const hooks = {
      preIteration: async (context) => {
        logger.debug("Pre-iteration hook", {
          iteration: context.task.currentIteration
        });
        return context;
      },
      postIteration: async (iteration) => {
        await this.saveIterationFrame(iteration);
      },
      onStateChange: async (oldState, newState) => {
        await this.updateStateFrame(oldState, newState);
      },
      onError: async (error, context) => {
        logger.error("Iteration error", { error: error.message, context });
        await this.saveErrorFrame(error, context);
      },
      onComplete: async (state) => {
        await this.closeRootFrame(state);
      }
    };
    const lifecycle = new IterationLifecycle(this.config.lifecycle, hooks);
    this.state.lifecycle = lifecycle;
  }
  /**
   * Get lifecycle instance
   */
  getLifecycle() {
    return this.state.lifecycle;
  }
  /**
   * Initialize Ralph directory structure
   */
  async initializeRalphDirectory(state) {
    await fs.mkdir(this.ralphDir, { recursive: true });
    await fs.mkdir(path.join(this.ralphDir, "history"), { recursive: true });
    await fs.writeFile(path.join(this.ralphDir, "task.md"), state.task);
    await fs.writeFile(
      path.join(this.ralphDir, "completion-criteria.md"),
      state.criteria
    );
    await fs.writeFile(path.join(this.ralphDir, "iteration.txt"), "0");
    await fs.writeFile(path.join(this.ralphDir, "feedback.txt"), "");
    await fs.writeFile(
      path.join(this.ralphDir, "state.json"),
      JSON.stringify(state, null, 2)
    );
  }
  /**
   * Create root frame for Ralph loop
   */
  async createRootFrame(state) {
    if (!this.requiresDatabase) {
      return {
        frame_id: `mock-${state.loopId}`,
        type: "task",
        name: `ralph-${state.loopId}`,
        inputs: {
          task: state.task,
          criteria: state.criteria,
          loopId: state.loopId
        },
        created_at: Date.now()
      };
    }
    if (!this.frameManager) {
      throw new Error("Frame manager not initialized");
    }
    const frame = {
      type: "task",
      name: `ralph-${state.loopId}`,
      inputs: {
        task: state.task,
        criteria: state.criteria,
        loopId: state.loopId
      },
      digest_json: {
        type: "ralph_loop",
        status: "started"
      }
    };
    return await this.frameManager.createFrame({
      name: frame.name,
      type: frame.type,
      content: frame.content || "",
      metadata: frame.metadata
    });
  }
  /**
   * Load iteration context from StackMemory
   */
  async loadIterationContext(state) {
    const frames = await this.loadRelevantFrames(state.loopId);
    return {
      task: {
        description: state.task,
        criteria: state.criteria.split("\n").filter(Boolean),
        currentIteration: state.iteration,
        feedback: state.feedback,
        priority: "medium"
      },
      history: {
        recentIterations: await this.loadRecentIterations(state.loopId),
        gitCommits: await this.loadGitCommits(),
        changedFiles: await this.loadChangedFiles(),
        testResults: []
      },
      environment: {
        projectPath: process.cwd(),
        branch: await this.getCurrentBranch(),
        dependencies: {},
        configuration: {}
      },
      memory: {
        relevantFrames: frames,
        decisions: [],
        patterns: [],
        blockers: []
      },
      tokenCount: 0
    };
  }
  /**
   * Execute worker iteration
   */
  async executeWorkerIteration(context) {
    const iterationNumber = context.task.currentIteration + 1;
    try {
      const analysis = await this.analyzeCodebaseState();
      const plan = await this.generateIterationPlan(context, analysis);
      const changes = await this.executeIterationChanges(plan, context);
      const validation = await this.validateIterationResults(changes);
      logger.info("Iteration execution completed", {
        iteration: iterationNumber,
        changesCount: changes.length,
        testsPass: validation.testsPass
      });
      return {
        number: iterationNumber,
        timestamp: Date.now(),
        analysis,
        plan,
        changes,
        validation
      };
    } catch (error) {
      logger.error("Iteration execution failed", error);
      return {
        number: iterationNumber,
        timestamp: Date.now(),
        analysis: {
          filesCount: 0,
          testsPass: false,
          testsFail: 1,
          lastChange: `Error: ${error.message}`
        },
        plan: {
          summary: "Iteration failed due to error",
          steps: ["Investigate error", "Fix underlying issue"],
          priority: "high"
        },
        changes: [],
        validation: {
          testsPass: false,
          lintClean: false,
          buildSuccess: false,
          errors: [error.message],
          warnings: []
        }
      };
    }
  }
  /**
   * Analyze current codebase state
   */
  async analyzeCodebaseState() {
    try {
      const stats = {
        filesCount: 0,
        testsPass: true,
        testsFail: 0,
        lastChange: "No recent changes"
      };
      try {
        const { execSync: execSync2 } = await import("child_process");
        const output = execSync2(
          'find . -type f -name "*.ts" -o -name "*.js" -o -name "*.json" | grep -v node_modules | grep -v .git | wc -l',
          { encoding: "utf8", cwd: process.cwd() }
        );
        stats.filesCount = parseInt(output.trim()) || 0;
      } catch {
        stats.filesCount = 0;
      }
      try {
        const { execSync: execSync2 } = await import("child_process");
        const gitLog = execSync2("git log -1 --oneline", {
          encoding: "utf8",
          cwd: process.cwd()
        });
        stats.lastChange = gitLog.trim() || "No git history";
      } catch {
        stats.lastChange = "No git repository";
      }
      try {
        const { existsSync } = await import("fs");
        if (existsSync("package.json")) {
          const packageJson = JSON.parse(
            await fs.readFile("package.json", "utf8")
          );
          if (packageJson.scripts?.test) {
            const { execSync: execSync2 } = await import("child_process");
            execSync2("npm test", { stdio: "pipe", timeout: 3e4 });
            stats.testsPass = true;
            stats.testsFail = 0;
          }
        }
      } catch {
        stats.testsPass = false;
        stats.testsFail = 1;
      }
      return stats;
    } catch (error) {
      return {
        filesCount: 0,
        testsPass: false,
        testsFail: 1,
        lastChange: `Analysis failed: ${error.message}`
      };
    }
  }
  /**
   * Generate iteration plan based on context and analysis
   */
  async generateIterationPlan(context, analysis) {
    const task = context.task.task || "Complete assigned work";
    const criteria = context.task.criteria || "Meet completion criteria";
    const steps = [];
    if (!analysis.testsPass) {
      steps.push("Fix failing tests");
    }
    if (analysis.filesCount === 0) {
      steps.push("Initialize project structure");
    }
    if (task.toLowerCase().includes("implement")) {
      steps.push("Implement required functionality");
      steps.push("Add appropriate tests");
    } else if (task.toLowerCase().includes("fix")) {
      steps.push("Identify root cause");
      steps.push("Implement fix");
      steps.push("Verify fix works");
    } else {
      steps.push("Analyze requirements");
      steps.push("Plan implementation approach");
      steps.push("Execute planned work");
    }
    steps.push("Validate changes");
    return {
      summary: `Iteration plan for: ${task}`,
      steps,
      priority: analysis.testsPass ? "medium" : "high"
    };
  }
  /**
   * Execute planned changes
   */
  async executeIterationChanges(plan, context) {
    const changes = [];
    for (let i = 0; i < plan.steps.length; i++) {
      const step = plan.steps[i];
      changes.push({
        type: "step_execution",
        description: step,
        timestamp: Date.now(),
        files_affected: [],
        success: true
      });
      await new Promise((resolve) => setTimeout(resolve, 100));
    }
    logger.debug("Executed iteration changes", {
      stepsCount: plan.steps.length,
      changesCount: changes.length
    });
    return changes;
  }
  /**
   * Validate iteration results
   */
  async validateIterationResults(changes) {
    const validation = {
      testsPass: true,
      lintClean: true,
      buildSuccess: true,
      errors: [],
      warnings: []
    };
    try {
      const { existsSync } = await import("fs");
      if (existsSync("package.json")) {
        const packageJson = JSON.parse(
          await fs.readFile("package.json", "utf8")
        );
        if (packageJson.scripts?.lint) {
          try {
            const { execSync: execSync2 } = await import("child_process");
            execSync2("npm run lint", { stdio: "pipe", timeout: 3e4 });
            validation.lintClean = true;
          } catch (error) {
            validation.lintClean = false;
            validation.warnings.push("Lint warnings detected");
          }
        }
        if (packageJson.scripts?.build) {
          try {
            const { execSync: execSync2 } = await import("child_process");
            execSync2("npm run build", { stdio: "pipe", timeout: 6e4 });
            validation.buildSuccess = true;
          } catch (error) {
            validation.buildSuccess = false;
            validation.errors.push("Build failed");
          }
        }
      }
    } catch (error) {
      validation.errors.push(`Validation error: ${error.message}`);
    }
    return validation;
  }
  /**
   * Save iteration results
   */
  async saveIterationResults(iteration) {
    await this.state.performanceOptimizer.saveIteration(iteration);
    const iterDir = path.join(
      this.ralphDir,
      "history",
      `iteration-${String(iteration.number).padStart(3, "0")}`
    );
    await fs.mkdir(iterDir, { recursive: true });
    await fs.writeFile(
      path.join(iterDir, "artifacts.json"),
      JSON.stringify(iteration, null, 2)
    );
  }
  /**
   * Save iteration frame to StackMemory
   */
  async saveIterationFrame(iteration) {
    if (!this.requiresDatabase || !this.frameManager || !this.state.activeLoop)
      return;
    const frame = {
      type: "subtask",
      name: `iteration-${iteration.number}`,
      inputs: {
        iterationNumber: iteration.number,
        loopId: this.state.activeLoop.loopId
      },
      outputs: {
        changes: iteration.changes.length,
        success: iteration.validation.testsPass
      },
      digest_json: iteration
    };
    await this.state.performanceOptimizer.saveFrame(frame);
  }
  /**
   * Get database adapter for FrameManager
   */
  async getDatabaseAdapter() {
    const dbPath = path.join(this.ralphDir, "stackmemory.db");
    const projectId = path.basename(this.ralphDir);
    return new SQLiteAdapter(projectId, { dbPath });
  }
  /**
   * Additional helper methods
   */
  async getCurrentGitCommit() {
    try {
      return execSync("git rev-parse HEAD", { encoding: "utf8" }).trim();
    } catch {
      return "";
    }
  }
  async getCurrentBranch() {
    try {
      return execSync("git branch --show-current", { encoding: "utf8" }).trim();
    } catch {
      return "main";
    }
  }
  async saveLoopState(state) {
    await fs.writeFile(
      path.join(this.ralphDir, "state.json"),
      JSON.stringify(state, null, 2)
    );
    await fs.writeFile(
      path.join(this.ralphDir, "iteration.txt"),
      state.iteration.toString()
    );
    logger.debug("Saved loop state", {
      iteration: state.iteration,
      status: state.status
    });
  }
  async gatherStateSources(loopId) {
    const sources = [];
    sources.push(await this.state.stateReconciler.getGitState());
    sources.push(await this.state.stateReconciler.getFileState());
    sources.push(await this.state.stateReconciler.getMemoryState(loopId));
    return sources;
  }
  async attemptRecovery() {
    logger.info("Attempting crash recovery");
    try {
      const stateFile = path.join(this.ralphDir, "state.json");
      const exists = await fs.stat(stateFile).then(() => true).catch(() => false);
      if (exists) {
        const stateData = await fs.readFile(stateFile, "utf8");
        const state = JSON.parse(stateData);
        if (state.status !== "completed") {
          logger.info("Found incomplete loop", { loopId: state.loopId });
          await this.resumeLoop(state.loopId);
        }
      }
    } catch (error) {
      logger.error("Recovery failed", { error: error.message });
    }
  }
  async evaluateCompletion() {
    return {
      complete: false,
      criteria: {},
      unmet: ["criteria1", "criteria2"]
    };
  }
  generateFeedback(evaluation) {
    if (evaluation.unmet.length === 0) {
      return "All criteria met";
    }
    return `Still need to address:
${evaluation.unmet.map((c) => `- ${c}`).join("\n")}`;
  }
  async loadRelevantFrames(loopId) {
    return [];
  }
  async loadRecentIterations(loopId) {
    return [];
  }
  async loadGitCommits() {
    return [];
  }
  async loadChangedFiles() {
    return [];
  }
  async loadSessionFrames(sessionId) {
    return [];
  }
  async reconstructLoopState(frame) {
    return {
      loopId: frame.inputs.loopId || "",
      task: frame.inputs.task || "",
      criteria: frame.inputs.criteria || "",
      iteration: 0,
      status: "running",
      startTime: frame.created_at,
      lastUpdateTime: Date.now()
    };
  }
  async buildContextFromFrames(frames, state) {
    return await this.loadIterationContext(state);
  }
  async updateStateFrame(oldState, newState) {
    logger.debug("State frame updated");
  }
  async saveErrorFrame(error, context) {
    logger.debug("Error frame saved");
  }
  async closeRootFrame(state) {
    logger.debug("Root frame closed");
  }
}
export {
  RalphStackMemoryBridge
};
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