package template_test

import (
	"strings"
	"testing"

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

func TestLoadDocTemplatesAndAgents(t *testing.T) {
	tmpl, err := template.GetDocTemplate("intake")
	if err != nil {
		t.Fatalf("failed to load intake template: %v", err)
	}
	if !strings.Contains(tmpl, "用户初始需求收集表") {
		t.Errorf("template intake.md missing title header")
	}
	if !strings.Contains(tmpl, "写满四段式") {
		t.Errorf("template intake.md missing self-describing guidance '写满四段式'")
	}

	inst, err := template.GetAgentInstruction("leader")
	if err != nil {
		t.Fatalf("failed to load leader agent instructions: %v", err)
	}
	if !strings.Contains(inst, "商务对接负责人") {
		t.Errorf("leader.md missing expected role definition")
	}

	rendered := template.RenderDoc(tmpl, map[string]string{
		"project_name":  "测试手术机器人",
		"customer_name": "水木医疗",
	})
	if !strings.Contains(rendered, "测试手术机器人") {
		t.Errorf("render failed to replace project_name")
	}
	if !strings.Contains(rendered, "水木医疗") {
		t.Errorf("render failed to replace customer_name")
	}
}

func TestGetDocTemplate_PrelimDesignOfficialNotStub(t *testing.T) {
	tmpl, err := template.GetDocTemplate("prelim_design")
	if err != nil {
		t.Fatalf("prelim_design must load from embed/disk: %v", err)
	}
	if !strings.Contains(tmpl, "系统初步设计方案") {
		t.Fatalf("official prelim_design title missing")
	}
	if !strings.Contains(tmpl, "```mermaid") {
		t.Fatalf("official prelim_design must keep mermaid context diagram")
	}
	if strings.Contains(tmpl, "## 1. 结论") && strings.Contains(tmpl, "待确认") && !strings.Contains(tmpl, "子系统划分") {
		t.Fatalf("must not fall back to two-section stub")
	}
}

func TestGetDocTemplate_WorksWithoutDiskCheckout(t *testing.T) {
	t.Chdir(t.TempDir())
	for _, key := range []string{"intake", "prelim_design", "research"} {
		tmpl, err := template.GetDocTemplate(key)
		if err != nil {
			t.Fatalf("%s must resolve from embed when cwd has no templates/: %v", key, err)
		}
		if strings.TrimSpace(tmpl) == "" {
			t.Fatalf("%s embed was empty", key)
		}
	}
}