import { defineConfig } from "vitest/config";
import baseConfig from "./vitest.config.ts";
import { loadPatternListFromEnv } from "./vitest.pattern-file.ts";
import { resolveVitestIsolation } from "./vitest.scoped-config.ts";
import {
  unitTestAdditionalExcludePatterns,
  unitTestIncludePatterns,
} from "./vitest.unit-paths.mjs";

const base = baseConfig as unknown as Record<string, unknown>;
const baseTest =
  (baseConfig as { test?: { include?: string[]; exclude?: string[]; setupFiles?: string[] } })
    .test ?? {};
const exclude = baseTest.exclude ?? [];

export function loadIncludePatternsFromEnv(
  env: Record<string, string | undefined> = process.env,
): string[] | null {
  return loadPatternListFromEnv("OPENCLAW_VITEST_INCLUDE_FILE", env);
}

export function loadExtraExcludePatternsFromEnv(
  env: Record<string, string | undefined> = process.env,
): string[] {
  return loadPatternListFromEnv("OPENCLAW_VITEST_EXTRA_EXCLUDE_FILE", env) ?? [];
}

export function createUnitVitestConfigWithOptions(
  env: Record<string, string | undefined> = process.env,
  options: {
    includePatterns?: string[];
    extraExcludePatterns?: string[];
  } = {},
) {
  return defineConfig({
    ...base,
    test: {
      ...baseTest,
      isolate: resolveVitestIsolation(env),
      runner: "./test/non-isolated-runner.ts",
      setupFiles: [...new Set([...(baseTest.setupFiles ?? []), "test/setup-openclaw-runtime.ts"])],
      include:
        loadIncludePatternsFromEnv(env) ?? options.includePatterns ?? unitTestIncludePatterns,
      exclude: [
        ...new Set([
          ...exclude,
          ...(options.extraExcludePatterns ?? unitTestAdditionalExcludePatterns),
          ...loadExtraExcludePatternsFromEnv(env),
        ]),
      ],
    },
  });
}

export function createUnitVitestConfig(env: Record<string, string | undefined> = process.env) {
  return createUnitVitestConfigWithOptions(env);
}

export default createUnitVitestConfigWithOptions();