package app

// EXT-8b 资源级授权槽位测试（U9 首切片）：
//  1. V2 未注册 → AuthorizeResource 回落 V1（owner×project 兼容现行）；
//  2. V2 注册 → 按查询六要素咨询；受信字段缺失（actor/action/type/id 空）＝拒绝；
//  3. V2 返回 error ＝ 拒绝（fail-closed）；
//  4. 首注册者生效（后来者忽略）；
//  5. compiledRegistry 的 V2 注册被拒（声明式无宿主回调）。
import (
	"errors"
	"testing"

	"agent-system-backend/pkg/extension"
)

func TestAuthorizeResourceV2FallbackAndQuery(t *testing.T) {
	var a projectAuthz
	// 未注册任何适配器 → 拒绝。
	if ok, err := a.AuthorizeResource(extension.ResourceAuthzQuery{
		Actor: "u1", Action: "download", ResourceType: "artifact", ResourceID: "a1",
		Owner: "u2", ProjectID: "p1"}); ok || err != nil {
		t.Fatalf("未注册应拒绝, got %v %v", ok, err)
	}
	// 仅 V1：回落 owner×project 布尔。
	a.set("p1", func(owner string, projectID string) (bool, error) { return true, nil })
	if ok, _ := a.AuthorizeResource(extension.ResourceAuthzQuery{
		Actor: "u1", Action: "download", ResourceType: "artifact", ResourceID: "a1",
		Owner: "u2", ProjectID: "p1"}); !ok {
		t.Fatal("V1 允许时回落应放行")
	}
	// V1 路径要求 owner/project 非空。
	if ok, _ := a.AuthorizeResource(extension.ResourceAuthzQuery{
		Actor: "u1", Action: "download", ResourceType: "artifact", ResourceID: "a1"}); ok {
		t.Fatal("V1 回落在无项目私域应拒绝")
	}
	// 注册 V2 → 按六要素咨询。
	a.setV2("p1", func(q extension.ResourceAuthzQuery) (bool, error) {
		return q.Actor == "u1" && q.Action == "download" && q.ResourceType == "artifact" &&
			q.ResourceID == "a1" && q.Owner == "u2" && q.ProjectID == "p1", nil
	})
	if ok, _ := a.AuthorizeResource(extension.ResourceAuthzQuery{
		Actor: "u1", Action: "download", ResourceType: "artifact", ResourceID: "a1",
		Owner: "u2", ProjectID: "p1"}); !ok {
		t.Fatal("V2 六要素齐备应放行")
	}
	// 六要素缺一（action 空）＝拒绝（不可判定）。
	if ok, _ := a.AuthorizeResource(extension.ResourceAuthzQuery{
		Actor: "u1", ResourceType: "artifact", ResourceID: "a1", Owner: "u2", ProjectID: "p1"}); ok {
		t.Fatal("受信字段缺失应拒绝")
	}
	// V2 出错＝拒绝（fail-closed）。
	a2 := projectAuthz{}
	a2.setV2("p1", func(extension.ResourceAuthzQuery) (bool, error) { return false, errors.New("boom") })
	if ok, err := a2.AuthorizeResource(extension.ResourceAuthzQuery{
		Actor: "u", Action: "read", ResourceType: "x", ResourceID: "1"}); ok || err == nil {
		t.Fatal("V2 error 应拒绝")
	}
	// 首注册者生效。
	a3 := projectAuthz{}
	a3.setV2("first", func(extension.ResourceAuthzQuery) (bool, error) { return true, nil })
	a3.setV2("second", func(extension.ResourceAuthzQuery) (bool, error) { return false, nil })
	if ok, _ := a3.AuthorizeResource(extension.ResourceAuthzQuery{
		Actor: "u", Action: "read", ResourceType: "x", ResourceID: "1"}); !ok {
		t.Fatal("首个 V2 注册者应生效")
	}
}

func TestCompiledRegistryRejectsV2(t *testing.T) {
	r := compiledRegistry{}
	if err := r.RegisterResourceAuthorizerV2(func(extension.ResourceAuthzQuery) (bool, error) { return true, nil }); err == nil {
		t.Fatal("声明式扩展不得注册资源级授权回调（fail-closed）")
	}
}

func TestAuthorizeResourceEnrichesEveryInProcessQueryWithCurrentRolePolicy(t *testing.T) {
	snapshot := extension.RolePolicySnapshot{SchemaVersion: extension.RolePolicySchemaVersion,
		Owner: "alice", AccountEnabled: true, RoleID: "role_1", RoleEnabled: true, AuthorityEpoch: 7}
	a := projectAuthz{enrich: func(q extension.ResourceAuthzQuery) (extension.ResourceAuthzQuery, error) {
		q.AuthorityEpoch = snapshot.AuthorityEpoch
		q.RolePolicy = &snapshot
		return q, nil
	}}
	a.setV2("rdm", func(q extension.ResourceAuthzQuery) (bool, error) {
		return q.AuthorityEpoch == 7 && q.RolePolicy != nil && q.RolePolicy.Owner == q.Actor, nil
	})
	if ok, err := a.AuthorizeResource(extension.ResourceAuthzQuery{Actor: "alice", Action: "search", ResourceType: "knowledge", ResourceID: "k1"}); err != nil || !ok {
		t.Fatalf("enriched query ok=%v err=%v", ok, err)
	}
}