package app

import (
	"strings"
	"testing"
)

func TestExtractKnowledgePreciseFactsKeepsAddressAndContactLines(t *testing.T) {
	facts := extractKnowledgePreciseFacts(`
# 合肥门店

地址：合肥市蜀山区望江西路 123 号 A 座 8 层
电话：0551-12345678
官网：https://example.com/store
普通介绍段落
`)

	for _, expected := range []string{
		"地址：合肥市蜀山区望江西路 123 号 A 座 8 层",
		"电话：0551-12345678",
		"官网：https://example.com/store",
	} {
		if !containsExactString(facts, expected) {
			t.Fatalf("extractKnowledgePreciseFacts() = %#v, want %q", facts, expected)
		}
	}
}

func TestRenderPromptSectionIncludesPreciseFactsAndSourceURI(t *testing.T) {
	sourceURI := "https://example.com/store"
	output := (&KnowledgeService{}).RenderPromptSection(&KnowledgeContext{
		Snippets: []KnowledgeSnippet{
			{
				GroupName:    "门店信息",
				ItemName:     "合肥门店",
				SourceURI:    &sourceURI,
				Text:         "这里是一段门店介绍。",
				PreciseFacts: []string{"地址：合肥市蜀山区望江西路 123 号", "电话：0551-12345678"},
			},
		},
	})

	for _, expected := range []string{
		"以下为必须严格按原文保留的高精度事实",
		"- 门店信息 / 合肥门店：地址：合肥市蜀山区望江西路 123 号",
		"来源链接: https://example.com/store",
		"这里是一段门店介绍。",
	} {
		if !strings.Contains(output, expected) {
			t.Fatalf("RenderPromptSection() = %q, want %q", output, expected)
		}
	}
}

func TestRenderPromptSectionSupportsPreciseFactsWithoutSnippets(t *testing.T) {
	output := (&KnowledgeService{}).RenderPromptSection(&KnowledgeContext{
		PreciseFacts: []string{
			"公司资料 / 合肥门店：地址：合肥市蜀山区望江西路 123 号",
			"公司资料 / 合肥门店：主营业务：全屋定制；橱柜定制",
		},
	})

	for _, expected := range []string{
		"以下为必须严格按原文保留的高精度事实",
		"- 公司资料 / 合肥门店：地址：合肥市蜀山区望江西路 123 号",
		"- 公司资料 / 合肥门店：主营业务：全屋定制；橱柜定制",
	} {
		if !strings.Contains(output, expected) {
			t.Fatalf("RenderPromptSection() = %q, want %q", output, expected)
		}
	}
}

func TestExtractKnowledgePreciseFactsKeepsBusinessScopeSection(t *testing.T) {
	facts := extractKnowledgePreciseFacts(`
# 公司介绍

主营业务
- 全屋定制
- 橱柜定制
- 木门与护墙系统

地址：合肥市蜀山区望江西路 123 号
`)

	for _, expected := range []string{
		"主营业务：全屋定制；橱柜定制；木门与护墙系统",
		"地址：合肥市蜀山区望江西路 123 号",
	} {
		if !containsExactString(facts, expected) {
			t.Fatalf("extractKnowledgePreciseFacts() = %#v, want %q", facts, expected)
		}
	}
}

func containsExactString(items []string, target string) bool {
	for _, item := range items {
		if item == target {
			return true
		}
	}
	return false
}