/**
 * Workspace Command Module
 * Workspace and project management for Gemini Flow
 */

import { Command } from "commander";
import chalk from "chalk";
import ora from "ora";
import inquirer from "inquirer";
import { Logger } from "../../utils/logger.js";
import { ConfigManager } from "../config/config-manager.js";

export interface WorkspaceInfo {
  id: string;
  name: string;
  path: string;
  type: "project" | "template" | "experiment";
  status: "active" | "inactive" | "archived";
  description?: string;
  tags: string[];
  createdAt: Date;
  lastModified: Date;
  settings: Record<string, any>;
}

export class WorkspaceCommand extends Command {
  private logger: Logger;
  private configManager: ConfigManager;

  private readonly workspaceTypes: Record<
    string,
    { description: string; template: string }
  > = {
    project: {
      description: "Standard development project",
      template: "standard",
    },
    template: {
      description: "Reusable project template",
      template: "template",
    },
    experiment: {
      description: "Experimental or research project",
      template: "experiment",
    },
    api: { description: "API development project", template: "api" },
    frontend: { description: "Frontend application", template: "frontend" },
    fullstack: { description: "Full-stack application", template: "fullstack" },
    microservice: {
      description: "Microservice project",
      template: "microservice",
    },
    ml: { description: "Machine learning project", template: "ml" },
  };

  constructor(configManager: ConfigManager) {
    super("workspace");
    this.configManager = configManager;
    this.logger = new Logger("WorkspaceCommand");

    this.description("Manage workspaces and projects")
      .addCommand(this.createInitCommand())
      .addCommand(this.createListCommand())
      .addCommand(this.createSwitchCommand())
      .addCommand(this.createInfoCommand())
      .addCommand(this.createDeleteCommand())
      .addCommand(this.createArchiveCommand())
      .addCommand(this.createCloneCommand())
      .addCommand(this.createTemplateCommand())
      .addCommand(this.createSettingsCommand());
  }

  private createInitCommand(): Command {
    const init = new Command("init");

    init
      .description("Initialize new workspace")
      .argument("[name]", "Workspace name")
      .option(
        "-t, --type <type>",
        "Workspace type (project|template|experiment|api|frontend|fullstack|microservice|ml)",
      )
      .option("-p, --path <path>", "Workspace path")
      .option("--template <template>", "Template to use")
      .option("--interactive", "Interactive workspace creation")
      .option("--git", "Initialize git repository")
      .option("--no-install", "Skip dependency installation")
      .action(async (name, options) => {
        const spinner = ora("Initializing workspace...").start();

        try {
          let workspaceConfig;

          if (options.interactive || !name) {
            spinner.stop();
            workspaceConfig = await this.interactiveWorkspaceCreation(
              name,
              options,
            );
            spinner.start("Creating workspace...");
          } else {
            workspaceConfig = await this.buildWorkspaceConfig(name, options);
          }

          // Create workspace structure
          const workspace = await this.createWorkspace(workspaceConfig);

          // Initialize workspace files
          spinner.text = "Setting up workspace files...";
          await this.initializeWorkspaceFiles(workspace);

          // Install dependencies if requested
          if (!options.noInstall) {
            spinner.text = "Installing dependencies...";
            await this.installDependencies(workspace);
          }

          // Initialize git repository if requested
          if (options.git) {
            spinner.text = "Initializing git repository...";
            await this.initializeGitRepository(workspace);
          }

          spinner.succeed(
            chalk.green(`Workspace "${workspace.name}" created successfully!`),
          );

          // Display workspace information
          this.displayWorkspaceInfo(workspace);
        } catch (error: any) {
          spinner.fail(chalk.red("Failed to initialize workspace"));
          this.logger.error("Workspace init failed:", error);
          console.error(chalk.red("Error:"), error.message);
          process.exit(1);
        }
      });

    return init;
  }

  private createListCommand(): Command {
    const list = new Command("list");

    list
      .description("List all workspaces")
      .option("--type <type>", "Filter by workspace type")
      .option(
        "--status <status>",
        "Filter by status (active|inactive|archived)",
      )
      .option("--format <format>", "Output format (table|json|yaml)", "table")
      .option("--sort <field>", "Sort by field (name|type|modified)", "name")
      .action(async (options) => {
        try {
          const workspaces = await this.listWorkspaces(options);
          this.displayWorkspaceList(workspaces, options);
        } catch (error: any) {
          this.logger.error("Failed to list workspaces:", error);
          console.error(chalk.red("Error:"), error.message);
          process.exit(1);
        }
      });

    return list;
  }

  private createSwitchCommand(): Command {
    const switchCmd = new Command("switch");

    switchCmd
      .description("Switch to workspace")
      .argument("<name>", "Workspace name or ID")
      .option("--create", "Create workspace if it doesn't exist")
      .action(async (name, options) => {
        const spinner = ora("Switching workspace...").start();

        try {
          const workspace = await this.switchWorkspace(name, options);
          spinner.succeed(
            chalk.green(`Switched to workspace "${workspace.name}"`),
          );
          this.displayWorkspaceInfo(workspace);
        } catch (error: any) {
          spinner.fail(chalk.red("Failed to switch workspace"));
          this.logger.error("Workspace switch failed:", error);
          console.error(chalk.red("Error:"), error.message);
          process.exit(1);
        }
      });

    return switchCmd;
  }

  private createInfoCommand(): Command {
    const info = new Command("info");

    info
      .description("Show workspace information")
      .argument("[name]", "Workspace name (current if not specified)")
      .option("--detailed", "Show detailed information")
      .option("--settings", "Show workspace settings")
      .action(async (name, options) => {
        try {
          const workspace = await this.getWorkspaceInfo(name);
          this.displayDetailedWorkspaceInfo(workspace, options);
        } catch (error: any) {
          this.logger.error("Failed to get workspace info:", error);
          console.error(chalk.red("Error:"), error.message);
          process.exit(1);
        }
      });

    return info;
  }

  private createDeleteCommand(): Command {
    const deleteCmd = new Command("delete");

    deleteCmd
      .description("Delete workspace")
      .argument("<name>", "Workspace name or ID")
      .option("--force", "Force deletion without confirmation")
      .option("--keep-files", "Keep workspace files")
      .action(async (name, options) => {
        try {
          if (!options.force) {
            const { confirm } = await inquirer.prompt([
              {
                type: "confirm",
                name: "confirm",
                message: `Delete workspace "${name}"?`,
                default: false,
              },
            ]);

            if (!confirm) {
              console.log(chalk.yellow("Deletion cancelled"));
              return;
            }
          }

          const spinner = ora("Deleting workspace...").start();
          await this.deleteWorkspace(name, options);
          spinner.succeed(chalk.green(`Workspace "${name}" deleted`));
        } catch (error: any) {
          this.logger.error("Failed to delete workspace:", error);
          console.error(chalk.red("Error:"), error.message);
          process.exit(1);
        }
      });

    return deleteCmd;
  }

  private createArchiveCommand(): Command {
    const archive = new Command("archive");

    archive
      .description("Archive/unarchive workspace")
      .argument("<name>", "Workspace name or ID")
      .option("--unarchive", "Unarchive workspace")
      .action(async (name, options) => {
        const spinner = ora(
          options.unarchive
            ? "Unarchiving workspace..."
            : "Archiving workspace...",
        ).start();

        try {
          await this.archiveWorkspace(name, !options.unarchive);
          const action = options.unarchive ? "unarchived" : "archived";
          spinner.succeed(chalk.green(`Workspace "${name}" ${action}`));
        } catch (error: any) {
          spinner.fail(chalk.red("Archive operation failed"));
          this.logger.error("Archive failed:", error);
          console.error(chalk.red("Error:"), error.message);
          process.exit(1);
        }
      });

    return archive;
  }

  private createCloneCommand(): Command {
    const clone = new Command("clone");

    clone
      .description("Clone workspace")
      .argument("<source>", "Source workspace name")
      .argument("<target>", "Target workspace name")
      .option("--type <type>", "Override workspace type")
      .option("--no-files", "Clone metadata only")
      .action(async (source, target, options) => {
        const spinner = ora("Cloning workspace...").start();

        try {
          const clonedWorkspace = await this.cloneWorkspace(
            source,
            target,
            options,
          );
          spinner.succeed(
            chalk.green(`Workspace cloned as "${clonedWorkspace.name}"`),
          );
          this.displayWorkspaceInfo(clonedWorkspace);
        } catch (error: any) {
          spinner.fail(chalk.red("Clone failed"));
          this.logger.error("Clone error:", error);
          console.error(chalk.red("Error:"), error.message);
          process.exit(1);
        }
      });

    return clone;
  }

  private createTemplateCommand(): Command {
    const template = new Command("template");

    template
      .description("Workspace template management")
      .addCommand(this.createTemplateListCommand())
      .addCommand(this.createTemplateCreateCommand())
      .addCommand(this.createTemplateDeleteCommand());

    return template;
  }

  private createTemplateListCommand(): Command {
    const list = new Command("list");
    list.description("List available templates").action(async () => {
      this.displayAvailableTemplates();
    });
    return list;
  }

  private createTemplateCreateCommand(): Command {
    const create = new Command("create");
    create
      .description("Create template from workspace")
      .argument("<workspace>", "Source workspace")
      .argument("<template>", "Template name")
      .action(async (workspace, template) => {
        const spinner = ora("Creating template...").start();
        try {
          await this.createTemplate(workspace, template);
          spinner.succeed(chalk.green(`Template "${template}" created`));
        } catch (error: any) {
          spinner.fail(chalk.red("Template creation failed"));
          console.error(chalk.red("Error:"), error.message);
        }
      });
    return create;
  }

  private createTemplateDeleteCommand(): Command {
    const deleteCmd = new Command("delete");
    deleteCmd
      .description("Delete template")
      .argument("<template>", "Template name")
      .action(async (template) => {
        await this.deleteTemplate(template);
        console.log(chalk.green(`Template "${template}" deleted`));
      });
    return deleteCmd;
  }

  private createSettingsCommand(): Command {
    const settings = new Command("settings");

    settings
      .description("Manage workspace settings")
      .argument("[workspace]", "Workspace name (current if not specified)")
      .option("--set <key=value>", "Set setting value")
      .option("--get <key>", "Get setting value")
      .option("--list", "List all settings")
      .action(async (workspace, options) => {
        try {
          if (options.set) {
            await this.setWorkspaceSetting(workspace, options.set);
          } else if (options.get) {
            await this.getWorkspaceSetting(workspace, options.get);
          } else if (options.list) {
            await this.listWorkspaceSettings(workspace);
          } else {
            console.log(chalk.yellow("Specify --set, --get, or --list"));
          }
        } catch (error: any) {
          this.logger.error("Settings operation failed:", error);
          console.error(chalk.red("Error:"), error.message);
          process.exit(1);
        }
      });

    return settings;
  }

  // Helper methods
  private async interactiveWorkspaceCreation(
    name?: string,
    options?: any,
  ): Promise<any> {
    const questions = [];

    if (!name) {
      questions.push({
        type: "input",
        name: "name",
        message: "Workspace name:",
        validate: (input: string) => input.length > 0 || "Name is required",
      });
    }

    questions.push(
      {
        type: "list",
        name: "type",
        message: "Workspace type:",
        choices: Object.entries(this.workspaceTypes).map(([type, info]) => ({
          name: `${type} - ${info.description}`,
          value: type,
        })),
        default: "project",
      },
      {
        type: "input",
        name: "description",
        message: "Description (optional):",
      },
      {
        type: "confirm",
        name: "git",
        message: "Initialize git repository?",
        default: true,
      },
    );

    const answers = await inquirer.prompt(questions);
    return { ...options, name: name || answers.name, ...answers };
  }

  private async buildWorkspaceConfig(name: string, options: any): Promise<any> {
    return {
      name,
      type: options.type || "project",
      path: options.path || `./${name}`,
      template: options.template,
      description: options.description,
    };
  }

  private async createWorkspace(config: any): Promise<WorkspaceInfo> {
    // Placeholder implementation
    const workspace: WorkspaceInfo = {
      id: `ws-${Date.now()}`,
      name: config.name,
      path: config.path,
      type: config.type,
      status: "active",
      description: config.description,
      tags: [],
      createdAt: new Date(),
      lastModified: new Date(),
      settings: {},
    };

    this.logger.info(`Created workspace: ${workspace.name}`);
    return workspace;
  }

  private async initializeWorkspaceFiles(
    _workspace: WorkspaceInfo,
  ): Promise<void> {
    // Placeholder for file initialization
  }

  private async installDependencies(_workspace: WorkspaceInfo): Promise<void> {
    // Placeholder for dependency installation
  }

  private async initializeGitRepository(
    _workspace: WorkspaceInfo,
  ): Promise<void> {
    // Placeholder for git initialization
  }

  private displayWorkspaceInfo(workspace: WorkspaceInfo): void {
    console.log("\n" + chalk.cyan("📁 Workspace Information:"));
    console.log(chalk.white(`   Name: ${workspace.name}`));
    console.log(chalk.gray(`   Type: ${workspace.type}`));
    console.log(chalk.gray(`   Path: ${workspace.path}`));
    console.log(chalk.gray(`   Status: ${workspace.status}`));
    if (workspace.description) {
      console.log(chalk.gray(`   Description: ${workspace.description}`));
    }
    console.log("");
  }

  private displayDetailedWorkspaceInfo(
    workspace: WorkspaceInfo,
    _options: any,
  ): void {
    this.displayWorkspaceInfo(workspace);
    // Additional detailed information display
  }

  private displayAvailableTemplates(): void {
    console.log(chalk.cyan("\n📋 Available Workspace Templates:\n"));

    for (const [type, info] of Object.entries(this.workspaceTypes)) {
      console.log(chalk.white(`  ${type.padEnd(15)} - ${info.description}`));
    }
    console.log("");
  }

  // Placeholder methods
  private async listWorkspaces(_options: any): Promise<WorkspaceInfo[]> {
    return [];
  }

  private displayWorkspaceList(
    workspaces: WorkspaceInfo[],
    _options: any,
  ): void {
    console.log(chalk.cyan("📁 Workspaces:"));
    if (workspaces.length === 0) {
      console.log(chalk.gray("   No workspaces found"));
    }
  }

  private async switchWorkspace(
    name: string,
    _options: any,
  ): Promise<WorkspaceInfo> {
    return {
      id: "ws-1",
      name,
      path: ".",
      type: "project",
      status: "active",
      tags: [],
      createdAt: new Date(),
      lastModified: new Date(),
      settings: {},
    };
  }

  private async getWorkspaceInfo(_name?: string): Promise<WorkspaceInfo> {
    return {
      id: "ws-1",
      name: "current",
      path: ".",
      type: "project",
      status: "active",
      tags: [],
      createdAt: new Date(),
      lastModified: new Date(),
      settings: {},
    };
  }

  private async deleteWorkspace(_name: string, _options: any): Promise<void> {
    // Placeholder
  }

  private async archiveWorkspace(
    _name: string,
    _archive: boolean,
  ): Promise<void> {
    // Placeholder
  }

  private async cloneWorkspace(
    source: string,
    target: string,
    _options: any,
  ): Promise<WorkspaceInfo> {
    return {
      id: "ws-2",
      name: target,
      path: `./${target}`,
      type: "project",
      status: "active",
      tags: [],
      createdAt: new Date(),
      lastModified: new Date(),
      settings: {},
    };
  }

  private async createTemplate(
    _workspace: string,
    _template: string,
  ): Promise<void> {
    // Placeholder
  }

  private async deleteTemplate(_template: string): Promise<void> {
    // Placeholder
  }

  private async setWorkspaceSetting(
    _workspace: string,
    _setting: string,
  ): Promise<void> {
    // Placeholder
  }

  private async getWorkspaceSetting(
    _workspace: string,
    _key: string,
  ): Promise<void> {
    // Placeholder
  }

  private async listWorkspaceSettings(_workspace: string): Promise<void> {
    // Placeholder
  }
}