import { existsSync, mkdirSync, readFileSync, rmSync, writeFileSync } from "node:fs";
import { tmpdir } from "node:os";
import { join } from "node:path";
import { afterEach, beforeEach, describe, expect, it } from "vitest";

describe("CLI Package Metadata", () => {
  it("should have 'Uncaged Dashboard' in package description", () => {
    const pkg = JSON.parse(readFileSync(join(__dirname, "..", "package.json"), "utf-8"));
    if (pkg.description) {
      expect(pkg.description.toLowerCase()).toContain("uncaged");
      expect(pkg.description.toLowerCase()).not.toContain("uwf");
    }
  });
});

describe("CLI Help Text", () => {
  it("urec.ts should not contain 'UWF Dashboard' references", () => {
    const content = readFileSync(join(__dirname, "..", "src", "urec.ts"), "utf-8");
    expect(content.toLowerCase()).not.toContain("uwf dashboard");
  });

  it("uconn.ts should not contain 'UWF Dashboard' references", () => {
    const content = readFileSync(join(__dirname, "..", "src", "uconn.ts"), "utf-8");
    expect(content.toLowerCase()).not.toContain("uwf dashboard");
  });

  it("CLI README should reference 'Uncaged' not 'UWF' in user-facing text", () => {
    const readmePath = join(__dirname, "..", "README.md");
    if (existsSync(readmePath)) {
      const content = readFileSync(readmePath, "utf-8");
      expect(content).toContain("Uncaged");
      expect(content).toContain(".uncaged/dashboard");
      expect(content).not.toContain("UWF Worker Dashboard");
      expect(content).not.toContain("UWF Dashboard");
    }
  });
});

describe("Directory Migration", () => {
  it("urec.ts should use new directory path as primary", () => {
    const content = readFileSync(join(__dirname, "..", "src", "urec.ts"), "utf-8");
    expect(content).toContain('".uncaged/dashboard"');
    expect(content).toContain(', "records")');
    // Should define NEW_BASE_DIR before RECORDS_DIR
    const newBaseIndex = content.indexOf("NEW_BASE_DIR");
    const recordsDirIndex = content.indexOf("RECORDS_DIR: string = join(NEW_BASE_DIR");
    expect(newBaseIndex).toBeGreaterThan(0);
    expect(recordsDirIndex).toBeGreaterThan(newBaseIndex);
  });

  it("uconn.ts should use new directory paths as primary", () => {
    const content = readFileSync(join(__dirname, "..", "src", "uconn.ts"), "utf-8");
    expect(content).toContain('".uncaged/dashboard"');
    expect(content).toContain(', "records")');
    expect(content).toContain(', ".synced")');
    // Should define NEW_BASE_DIR and use it for RECORDS_DIR and SYNCED_FILE
    const newBaseIndex = content.indexOf("NEW_BASE_DIR");
    const recordsDirIndex = content.indexOf("RECORDS_DIR: string = join(NEW_BASE_DIR");
    const syncedFileIndex = content.indexOf("SYNCED_FILE: string = join(NEW_BASE_DIR");
    expect(newBaseIndex).toBeGreaterThan(0);
    expect(recordsDirIndex).toBeGreaterThan(newBaseIndex);
    expect(syncedFileIndex).toBeGreaterThan(newBaseIndex);
  });
});

describe("Legacy Directory Auto-Migration", () => {
  let testHome: string;

  beforeEach(() => {
    testHome = join(tmpdir(), `test-migration-${Date.now()}`);
    mkdirSync(testHome, { recursive: true });
  });

  afterEach(() => {
    if (existsSync(testHome)) {
      rmSync(testHome, { recursive: true, force: true });
    }
  });

  it("should migrate from legacy .uwf-dashboard to .uncaged/dashboard", async () => {
    // Setup: Create legacy directory with test data
    const legacyDir = join(testHome, ".uwf-dashboard", "records");
    const newDir = join(testHome, ".uncaged", "dashboard", "records");

    mkdirSync(legacyDir, { recursive: true });
    const testRecord = { id: "test-123", device: "test-device", command: "echo test" };
    writeFileSync(join(legacyDir, "test-123.json"), JSON.stringify(testRecord));

    // Test migration logic
    expect(existsSync(legacyDir)).toBe(true);
    expect(existsSync(newDir)).toBe(false);

    // Migration should happen when new directory doesn't exist
    // This test verifies the paths are correct
  });

  it("should handle empty legacy directory", () => {
    const legacyDir = join(testHome, ".uwf-dashboard");
    mkdirSync(legacyDir, { recursive: true });

    expect(existsSync(legacyDir)).toBe(true);
    // Migration should create new directory even if old is empty
  });

  it("should not migrate when new directory already exists", () => {
    const newDir = join(testHome, ".uncaged", "dashboard", "records");
    mkdirSync(newDir, { recursive: true });

    const existingRecord = { id: "existing", device: "test" };
    writeFileSync(join(newDir, "existing.json"), JSON.stringify(existingRecord));

    expect(existsSync(newDir)).toBe(true);
    const content = readFileSync(join(newDir, "existing.json"), "utf-8");
    expect(JSON.parse(content).id).toBe("existing");
  });
});

describe("Package Metadata", () => {
  it("frontend package.json should reference Uncaged", () => {
    const pkg = JSON.parse(
      readFileSync(join(__dirname, "..", "..", "frontend", "package.json"), "utf-8"),
    );
    if (pkg.description) {
      expect(pkg.description.toLowerCase()).toContain("uncaged");
      expect(pkg.description.toLowerCase()).not.toContain("uwf");
    }
  });

  it("server package.json should reference Uncaged", () => {
    const pkg = JSON.parse(
      readFileSync(join(__dirname, "..", "..", "server", "package.json"), "utf-8"),
    );
    if (pkg.description) {
      expect(pkg.description.toLowerCase()).toContain("uncaged");
      expect(pkg.description.toLowerCase()).not.toContain("uwf");
    }
  });
});