package adapter

import (
	"os"
	"path/filepath"
	"testing"

	"skillmgr/internal/types"
)

func setupAdapterTestEnv(t *testing.T) (string, func()) {
	t.Helper()

	tmpDir, err := os.MkdirTemp("", "skillmgr-adapter-test-*")
	if err != nil {
		t.Fatalf("创建临时目录失败: %v", err)
	}

	os.Setenv("SKILLMGR_TEST_BASE", tmpDir)

	cleanup := func() {
		os.Unsetenv("SKILLMGR_TEST_BASE")
		os.RemoveAll(tmpDir)
	}

	return tmpDir, cleanup
}

func TestClaudeAdapter_GetSkillInstallPath_Global(t *testing.T) {
	tmpDir, cleanup := setupAdapterTestEnv(t)
	defer cleanup()

	adapter := &ClaudeAdapter{}
	path, err := adapter.GetSkillInstallPath(types.ScopeGlobal, "test-skill")
	if err != nil {
		t.Fatalf("GetSkillInstallPath 失败: %v", err)
	}

	expected := filepath.Join(tmpDir, ".claude", "skills", "test-skill")
	if path != expected {
		t.Errorf("期望 %s，得到 %s", expected, path)
	}
}

func TestClaudeAdapter_GetSkillInstallPath_Project(t *testing.T) {
	_, cleanup := setupAdapterTestEnv(t)
	defer cleanup()

	adapter := &ClaudeAdapter{}
	path, err := adapter.GetSkillInstallPath(types.ScopeProject, "test-skill")
	if err != nil {
		t.Fatalf("GetSkillInstallPath 失败: %v", err)
	}

	// 项目级路径是相对当前目录的
	if !filepath.IsAbs(path) {
		// 相对路径应该包含 .claude/skills
		if filepath.Base(filepath.Dir(path)) != "skills" {
			t.Errorf("期望路径包含 skills 目录，得到 %s", path)
		}
	}
}

func TestClaudeAdapter_GetCommandInstallPath_Global(t *testing.T) {
	tmpDir, cleanup := setupAdapterTestEnv(t)
	defer cleanup()

	adapter := &ClaudeAdapter{}
	path, err := adapter.GetCommandInstallPath(types.ScopeGlobal, "test-cmd")
	if err != nil {
		t.Fatalf("GetCommandInstallPath 失败: %v", err)
	}

	expected := filepath.Join(tmpDir, ".claude", "commands", "test-cmd")
	if path != expected {
		t.Errorf("期望 %s，得到 %s", expected, path)
	}
}

func TestClaudeAdapter_AdaptSkill(t *testing.T) {
	tmpDir, cleanup := setupAdapterTestEnv(t)
	defer cleanup()

	// 创建源目录
	srcDir := filepath.Join(tmpDir, "src-skill")
	os.MkdirAll(srcDir, 0755)
	os.WriteFile(filepath.Join(srcDir, "SKILL.md"), []byte("test"), 0644)
	os.WriteFile(filepath.Join(srcDir, "helper.md"), []byte("test"), 0644)

	destDir := filepath.Join(tmpDir, "dest-skill")

	adapter := &ClaudeAdapter{}
	mapping, err := adapter.AdaptSkill(srcDir, destDir)
	if err != nil {
		t.Fatalf("AdaptSkill 失败: %v", err)
	}

	if len(mapping) != 2 {
		t.Errorf("期望 2 个文件映射，得到 %d 个", len(mapping))
	}
}

func TestClaudeAdapter_AdaptCommand(t *testing.T) {
	tmpDir, cleanup := setupAdapterTestEnv(t)
	defer cleanup()

	// 创建源目录
	srcDir := filepath.Join(tmpDir, "src-cmd")
	os.MkdirAll(srcDir, 0755)
	os.WriteFile(filepath.Join(srcDir, "init.md"), []byte("test"), 0644)
	os.WriteFile(filepath.Join(srcDir, "run.md"), []byte("test"), 0644)

	destDir := filepath.Join(tmpDir, "dest-cmd")

	adapter := &ClaudeAdapter{}
	mapping, err := adapter.AdaptCommand(srcDir, destDir, "test-cmd")
	if err != nil {
		t.Fatalf("AdaptCommand 失败: %v", err)
	}

	if len(mapping) != 2 {
		t.Errorf("期望 2 个文件映射，得到 %d 个", len(mapping))
	}

	// 验证文件名保持原样
	for src, dest := range mapping {
		srcBase := filepath.Base(src)
		destBase := filepath.Base(dest)
		if srcBase != destBase {
			t.Errorf("Claude 适配器应保持文件名：源 %s，目标 %s", srcBase, destBase)
		}
	}
}