package squad_test

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

	"chat-agent-system/internal/squad"
)

func TestPrepareWorkspaceWritesDialogueContext(t *testing.T) {
	dir := t.TempDir()
	engine := squad.NewWorkspaceEngine(nil)
	ws, err := engine.PrepareWorkspace(squad.WorkspacePrepareRequest{
		WorkDir:      dir,
		TaskKey:      "system_reqs",
		StageTitle:   "系统需求",
		ProjectName:  "Demo",
		CustomerName: "Acme",
		DialoguePackage: &squad.DialoguePackage{
			DigestMD:         "# 项目对话纪要\n\n- **2026-09-24**: 张工: 器械类型眼科OCT\n",
			TurnsMD:          "# turns\n\n[2026-09-24 15:00] 张工(engineer/member) 用户: 器械类型：眼科OCT\n",
			FactsJSON:        []byte(`[{"key":"device_type","value":"眼科OCT"}]`),
			ConfirmationsMD:  "# 裁决\n\n无冲突\n",
			TurnCount:        2,
			ExcludedPrivate:  1,
			ExcludedNoAccess: 0,
			ExcludedNoise:    3,
		},
		WorkflowSteps: []squad.StepSpec{{
			ID: "s1", Title: "整理", Role: "organizer", Mode: "write",
			SubWorkspace: "tasks/01_organizer", Status: "pending",
		}},
	})
	if err != nil {
		t.Fatal(err)
	}
	if ws == nil {
		t.Fatal("nil workspace")
	}
	for _, name := range []string{"digest.md", "turns.md", "facts.json", "CONFIRMATIONS.md", "README.md"} {
		p := filepath.Join(dir, "context", "dialogue", name)
		if _, err := os.Stat(p); err != nil {
			t.Fatalf("missing %s: %v", name, err)
		}
	}
	readme, _ := os.ReadFile(filepath.Join(dir, "context", "README.md"))
	if !strings.Contains(string(readme), "collab_dialogue") {
		t.Fatalf("README missing collab_dialogue: %s", readme)
	}
	dlgReadme, _ := os.ReadFile(filepath.Join(dir, "context", "dialogue", "README.md"))
	if !strings.Contains(string(dlgReadme), "采集统计：保留 2 轮；滤除私密 1、阶段不可见 0、噪声 3") {
		t.Fatalf("dialogue README missing collection stats: %s", dlgReadme)
	}
	taskMD, _ := os.ReadFile(filepath.Join(dir, "tasks", "01_organizer", "TASK.md"))
	if !strings.Contains(string(taskMD), "context/dialogue/") {
		t.Fatalf("TASK.md missing dialogue nav: %s", taskMD)
	}
}

func TestPrepareWorkspaceExplainsMissingDialogue(t *testing.T) {
	t.Setenv("DIALOGUE_CTX_INJECTION", "")
	unbound := prepareDialogueWorkspace(t, squad.WorkspacePrepareRequest{})
	readme, err := os.ReadFile(filepath.Join(unbound, "context", "dialogue", "README.md"))
	if err != nil {
		t.Fatal(err)
	}
	if !strings.Contains(string(readme), "任务未绑定项目") {
		t.Fatalf("unbound readme=%s", readme)
	}
	if _, err := os.Stat(filepath.Join(unbound, "context", "dialogue", "turns.md")); err == nil {
		t.Fatal("unbound project must not pretend turns were filtered")
	}

	bound := prepareDialogueWorkspace(t, squad.WorkspacePrepareRequest{ProjectID: 6022})
	readme, err = os.ReadFile(filepath.Join(bound, "context", "dialogue", "README.md"))
	if err != nil {
		t.Fatal(err)
	}
	if !strings.Contains(string(readme), "没有对话包") {
		t.Fatalf("bound readme=%s", readme)
	}

	t.Setenv("DIALOGUE_CTX_INJECTION", "off")
	disabled := prepareDialogueWorkspace(t, squad.WorkspacePrepareRequest{ProjectID: 6022})
	readme, err = os.ReadFile(filepath.Join(disabled, "context", "dialogue", "README.md"))
	if err != nil {
		t.Fatal(err)
	}
	if !strings.Contains(string(readme), "开关已关闭") {
		t.Fatalf("disabled readme=%s", readme)
	}
}

func prepareDialogueWorkspace(t *testing.T, req squad.WorkspacePrepareRequest) string {
	t.Helper()
	req.WorkDir = t.TempDir()
	req.TaskKey = "research"
	req.StageTitle = "调研报告"
	req.ProjectName = "测试项目"
	req.CustomerName = "客户"
	req.WorkflowSteps = []squad.StepSpec{{
		ID: "s1", Title: "整理", Role: "organizer", Mode: "write",
		SubWorkspace: "tasks/01_organizer", Status: "pending",
	}}
	if _, err := squad.NewWorkspaceEngine(nil).PrepareWorkspace(req); err != nil {
		t.Fatal(err)
	}
	return req.WorkDir
}