import { defineConfig, Options } from "tsup";
import * as path from "path";
import alias from "esbuild-plugin-path-alias";

// Path aliases that match tsconfig.json
const pathAliases = {
  "@": path.resolve("./src/libraries/react"),
  "@sdk": path.resolve("./src/sdk"),
  "@styles": path.resolve("./src/styles"),
};

const reactConfigs: Options[] = [
  // Backend
  {
    entry: ["src/libraries/backend/**/*.{ts,tsx}"],
    format: ["cjs", "esm"],
    dts: true,
    clean: false, // Don't clean on subsequent builds
    outDir: "./dist/libraries/backend",
    external: ["react", "react/jsx-runtime", "react-dom"],
    bundle: true,
    esbuildOptions(options) {
      options.plugins = options.plugins || [];
      options.plugins.push(alias(pathAliases));
    },
  },

  // React - Index file with CSS import (CommonJS)
  {
    entry: ["src/libraries/react/index.ts"],
    format: ["cjs", "esm"],
    dts: true,
    clean: false,
    outDir: "./dist/libraries/react",
    external: ["react", "react/jsx-runtime", "react-dom"],
    bundle: true,
    banner: {
      js: '"use client";',
    },
    injectStyle: true,
    esbuildOptions(options) {
      options.plugins = options.plugins || [];
      options.plugins.push(alias(pathAliases));
    },
  },

  // React - Other files without CSS import
  {
    entry: [
      "src/libraries/react/**/*.{ts,tsx}",
      "!src/libraries/react/index.ts",
    ],
    format: ["cjs", "esm"],
    dts: true,
    clean: false,
    outDir: "./dist/libraries/react",
    external: ["react", "react/jsx-runtime", "react-dom"],
    bundle: true,
    banner: {
      js: '"use client";\n',
    },
    esbuildOptions(options) {
      options.plugins = options.plugins || [];
      options.plugins.push(alias(pathAliases));
    },
  },
];

export default defineConfig([
  {
    format: ["cjs", "esm"],
    entry: ["./src/sdk/index.ts"],
    skipNodeModulesBundle: true,
    dts: true,
    shims: true,
    clean: false,
    outDir: "./dist/sdk",

    treeshake: true,
    target: "es2020",

    esbuildOptions(options) {
      options.plugins = options.plugins || [];
      options.plugins.push(alias(pathAliases));
    },
  },
  {
    entry: ["./src/compose/index.ts"],
    format: ["cjs", "esm"],
    dts: true,
    clean: false,
    outDir: "./dist/compose",
    esbuildOptions(options) {
      options.plugins = options.plugins || [];
      options.plugins.push(alias(pathAliases));
    },
  },
  // GLOBAL
  {
    entry: ["src/utils/*.{ts,tsx}"],
    format: ["cjs", "esm"],
    dts: true,
    clean: true,
    bundle: true,
    outDir: "./dist/utils", // Fixed wildcard path to specific directory
    external: ["react", "react/jsx-runtime", "react-dom"],
    esbuildOptions(options) {
      options.plugins = options.plugins || [];
      options.plugins.push(alias(pathAliases));
    },
  },

  // SDK
  {
    entry: ["src/next/*.{ts,tsx}"],
    format: ["cjs", "esm"],
    dts: true,
    clean: false, // Don't clean on subsequent builds
    outDir: "./dist/next",
    external: ["react", "react/jsx-runtime", "react-dom"],
    bundle: false,
    esbuildOptions(options) {
      options.plugins = options.plugins || [];
      options.plugins.push(alias(pathAliases));
    },
  },
  ...reactConfigs,

  // React client components
  {
    entry: ["src/next/client/**/*.ts", "src/next/client/**/*.tsx"],
    format: ["cjs", "esm"],
    dts: true,
    clean: true,
    outDir: "./dist/next/client",
    external: ["react", "react/jsx-runtime", "react-dom"],
    bundle: false,
    banner: {
      js: '"use client";\n',
    },
    esbuildOptions(options) {
      options.plugins = options.plugins || [];
      options.plugins.push(alias(pathAliases));
      options.platform = "browser";
      options.format = "esm";
    },
  },

  // Styles - Properly process CSS with PostCSS and Tailwind
  {
    entry: ["src/styles/global.css"],
    format: ["esm", "cjs"],
    outDir: "./dist/styles",
    clean: false,
    bundle: true,
  },

  // React server components
  {
    entry: ["src/next/server/**/*.{ts,tsx}"],
    format: ["cjs", "esm"],
    dts: true,
    clean: true,
    outDir: "./dist/next/server",
    external: [
      "react",
      "react/jsx-runtime",
      "react-dom",
      "@clerk/backend",
      "better-auth",
      "@supabase/ssr",
    ],
    bundle: false,
    banner: {
      js: '"use server";',
    },
    esbuildOptions(options) {
      options.plugins = options.plugins || [];
      options.plugins.push(alias(pathAliases));
      options.banner = {
        js: '"use server";',
      };
      options.platform = "node";
      options.format = "esm";
    },
  },
]);