/**
 * Generate Theme Tool
 * Creates design system themes with colors, typography, and spacing
 */

import type { ToolDefinition } from "@h4shed/mcp-core";

export const generateThemeTool: ToolDefinition = {
  name: "generate-theme",
  description: "Generate design system themes with colors, typography, and spacing",
  inputSchema: {
    type: "object",
    properties: {
      name: {
        type: "string",
        description: "Theme name",
      },
      baseColor: {
        type: "string",
        description: "Primary color in hex format",
      },
      format: {
        type: "string",
        description: "Output format: tailwind, css, json, scss (default: tailwind)",
      },
    },
    required: ["name"],
  },

  async handler(input: Record<string, unknown>): Promise<Record<string, unknown>> {
    const { name, baseColor = "#3B82F6", format = "tailwind" } = input as {
      name: string;
      baseColor?: string;
      format?: string;
    };

    try {
      // TODO: Implement theme generation
      const theme = `/* Theme: ${name} */`;

      return {
        success: true,
        name,
        baseColor,
        format,
        theme,
      };
    } catch (error) {
      const err = error instanceof Error ? error.message : String(error);
      throw new Error(`Failed to generate theme: ${err}`);
    }
  },
};