package app

import (
	"context"
	"encoding/json"
	"path/filepath"
	"testing"
	"time"

	agentcommand "git-ssh.u1680832.nyat.app/weichen/Agent-Command.git"
	"git-ssh.u1680832.nyat.app/weichen/Agent-System-Backend.git/internal/cmdbus"
	"git-ssh.u1680832.nyat.app/weichen/Agent-System-Backend.git/internal/settings"
	"git-ssh.u1680832.nyat.app/weichen/Agent-System-Backend.git/internal/store"
	"git-ssh.u1680832.nyat.app/weichen/Agent-System-Backend.git/pkg/extension"
)

// WP3-I4：applyCompiled 的注册面摘要——成功注册的命令/意图/技能记入
// CompiledPlugin，失败注册不记录，Register 整体失败保留已成功部分。
func TestApplyCompiledRecordsSummary(t *testing.T) {
	extension.ResetCompiled()
	t.Cleanup(extension.ResetCompiled)
	extension.RegisterCompiled(extension.InProc{ID: "demo", Register: func(reg extension.Registry) error {
		if err := reg.AddCommandHandler(json.RawMessage(`{"id":"demo.one","title":"一"}`), func(ctx context.Context, h extension.Host, req extension.Request) (any, error) {
			return "ok", nil
		}); err != nil {
			return err
		}
		// 重复 id 注册失败：总线拒绝，摘要不记录。
		if err := reg.AddCommand(json.RawMessage(`{"id":"demo.one","title":"重复"}`)); err == nil {
			t.Fatal("duplicate command should fail")
		}
		if err := reg.AddIntent(json.RawMessage(`{"id":"demo.go","phrases":["演示"],"command":"demo.one"}`)); err != nil {
			return err
		}
		_ = reg.AddSkill("demo-skill", "# 演示\n技能正文")
		// WP3-I3：管理区分区声明记入摘要；缺 id/title 的非法规格 fail-closed。
		if err := reg.AddAdminZone(json.RawMessage(`{"id":"demo.audit","title":"演示审计","icon":"search","order":20}`)); err != nil {
			return err
		}
		if err := reg.AddAdminZone(json.RawMessage(`{"title":"缺 id"}`)); err == nil {
			t.Fatal("admin zone without id should fail")
		}
		return nil
	}})
	extension.RegisterCompiled(extension.InProc{ID: "broken", Register: func(reg extension.Registry) error {
		if err := reg.AddCommand(json.RawMessage(`{"id":"broken.cmd","title":"先成功"}`)); err != nil {
			return err
		}
		return reg.AddCommandHandler(json.RawMessage(`not-json`), nil)
	}})
	// 无 Register 的登记不产生条目。
	extension.RegisterCompiled(extension.InProc{ID: "empty"})

	st, err := store.OpenSQLite(filepath.Join(t.TempDir(), "test.db"))
	if err != nil {
		t.Fatal(err)
	}
	t.Cleanup(func() { st.Close() })
	bus := cmdbus.New(st, nil, func() time.Time { return time.Unix(1700000000, 0).UTC() })
	sums := applyCompiled(t.TempDir(), bus, hostcaps{st: st, set: settings.NewService(st)})
	if len(sums) != 2 {
		t.Fatalf("want 2 summaries, got %d: %+v", len(sums), sums)
	}
	if sums[0].ID != "demo" {
		t.Fatalf("sums[0] = %+v", sums[0])
	}
	if len(sums[0].Commands) != 1 || sums[0].Commands[0] != "demo.one" {
		t.Fatalf("demo commands = %v", sums[0].Commands)
	}
	if len(sums[0].Intents) != 1 || sums[0].Intents[0] != "demo.go" {
		t.Fatalf("demo intents = %v", sums[0].Intents)
	}
	if len(sums[0].Skills) != 1 || sums[0].Skills[0] != "demo-skill" {
		t.Fatalf("demo skills = %v", sums[0].Skills)
	}
	// WP3-I3：合法声明记入，非法规格（缺 id）被拒后摘要不受污染。
	if len(sums[0].AdminZones) != 1 {
		t.Fatalf("demo admin zones = %+v", sums[0].AdminZones)
	}
	if z := sums[0].AdminZones[0]; z.ID != "demo.audit" || z.Title != "演示审计" || z.Icon != "search" || z.Order != 20 {
		t.Fatalf("demo admin zone = %+v", z)
	}
	// broken：Register 报错但先成功的命令仍在总线，摘要如实保留。
	if sums[1].ID != "broken" || len(sums[1].Commands) != 1 || sums[1].Commands[0] != "broken.cmd" {
		t.Fatalf("broken summary = %+v", sums[1])
	}
	// 摘要与总线一致：记录的命令真实可分发（不是空头衔）。
	resp := bus.Dispatch(context.Background(), cmdbus.Request{ID: "demo.one", Owner: "alice", Entrance: "test"})
	if resp.Receipt.State != agentcommand.StateCommitted {
		t.Fatalf("demo.one dispatch = %s (%s)", resp.Receipt.State, resp.Receipt.Reason)
	}
}