package ai

import (
	"strings"
	"testing"
)

func TestFallbackTableAnalysisUnparsedProfile(t *testing.T) {
	result := fallbackTableAnalysis(TableAnalysisInput{
		Topic:    "销售分析",
		FileID:   "file1",
		FileName: "sales.xlsx",
		FileType: "xlsx",
		FileSize: 5149,
		Profile:  TableProfile{Parsed: false, Message: "source file is not available locally"},
	}, Usage{Model: "deepseek-flash"}, "AI 输出格式异常，已使用兜底解读。")
	if result.Title != "销售分析" {
		t.Fatalf("Title=%q, want 销售分析", result.Title)
	}
	if strings.TrimSpace(result.Interpretation) == "" {
		t.Fatal("Interpretation is empty")
	}
	if len(result.Alerts) < 2 {
		t.Fatalf("Alerts len=%d, want at least 2", len(result.Alerts))
	}
	if got := result.Metrics[len(result.Metrics)-1].Value; got != "未解析" {
		t.Fatalf("last metric value=%q, want 未解析", got)
	}
}

func TestFallbackDocumentBuildsDisplayableContent(t *testing.T) {
	result := fallbackDocument(
		"生成一个竞争销售部门副科长职位的演讲稿",
		"竞争销售部门副科长职位演讲稿",
		"meeting_minutes",
		Usage{Model: "deepseek-flash"},
		"AI 输出格式异常，已使用兜底文档。",
	)
	if result.Title != "竞争销售部门副科长职位演讲稿" {
		t.Fatalf("Title=%q, want title hint", result.Title)
	}
	if strings.TrimSpace(result.ContentMarkdown) == "" {
		t.Fatal("ContentMarkdown is empty")
	}
	if !strings.Contains(result.ContentMarkdown, "AI 输出格式异常") {
		t.Fatalf("ContentMarkdown=%q, want fallback reason", result.ContentMarkdown)
	}
	if !strings.Contains(result.ContentPlain, "生成一个竞争销售部门副科长职位的演讲稿") {
		t.Fatalf("ContentPlain=%q, want source text", result.ContentPlain)
	}
	if len(result.Sections) != 3 {
		t.Fatalf("Sections len=%d, want 3", len(result.Sections))
	}
}