package adapter

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

	"skillmgr/internal/types"
)

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

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

	// OpenCode 全局 skill 使用 ~/.config/opencode/skills/
	expected := filepath.Join(tmpDir, ".config", "opencode", "skills", "test-skill")
	if path != expected {
		t.Errorf("期望 %s，得到 %s", expected, path)
	}
}

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

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

	// OpenCode 全局 command 使用 ~/.config/opencode/commands/
	expected := filepath.Join(tmpDir, ".config", "opencode", "commands")
	if path != expected {
		t.Errorf("期望 %s，得到 %s", expected, path)
	}
}

func TestOpenCodeAdapter_AdaptCommand_Flattening(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 := &OpenCodeAdapter{}
	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))
	}

	// 验证文件名被扁平化
	for src, dest := range mapping {
		srcBase := filepath.Base(src)
		destBase := filepath.Base(dest)

		// init.md -> test-cmd-init.md
		nameWithoutExt := strings.TrimSuffix(srcBase, ".md")
		expectedBase := "test-cmd-" + nameWithoutExt + ".md"
		if destBase != expectedBase {
			t.Errorf("OpenCode 适配器应扁平化文件名：期望 %s，得到 %s", expectedBase, destBase)
		}
	}
}

func TestGetAdapter_Claude(t *testing.T) {
	adapter, err := GetAdapter(types.PlatformClaude)
	if err != nil {
		t.Fatalf("GetAdapter(claude) 失败: %v", err)
	}

	if _, ok := adapter.(*ClaudeAdapter); !ok {
		t.Error("期望 ClaudeAdapter 类型")
	}
}

func TestGetAdapter_OpenCode(t *testing.T) {
	adapter, err := GetAdapter(types.PlatformOpenCode)
	if err != nil {
		t.Fatalf("GetAdapter(opencode) 失败: %v", err)
	}

	if _, ok := adapter.(*OpenCodeAdapter); !ok {
		t.Error("期望 OpenCodeAdapter 类型")
	}
}

func TestGetAdapter_Invalid(t *testing.T) {
	_, err := GetAdapter(types.Platform("invalid"))
	if err == nil {
		t.Error("期望无效平台返回错误")
	}
}