package playletser

import (
	"encoding/json"
	"reflect"
	"testing"
)

func TestSeoInfo_UnmarshalJSON_SwaggerShape(t *testing.T) {
	raw := []byte(`{
		"title":"灵气复苏，我成为了万古医圣",
		"keywords":["灵气复苏，我成为了万古医圣","职场"],
		"description":"灵气复苏，我成为了万古医圣",
		"canonicalUrl":"/detail/example-show"
	}`)
	var seo SeoInfo
	if err := json.Unmarshal(raw, &seo); err != nil {
		t.Fatalf("unmarshal: %v", err)
	}
	if seo.Title != "灵气复苏，我成为了万古医圣" {
		t.Fatalf("title=%q", seo.Title)
	}
	if seo.Description != "灵气复苏，我成为了万古医圣" {
		t.Fatalf("description=%q", seo.Description)
	}
	if seo.CanonicalURL != "/detail/example-show" {
		t.Fatalf("canonicalUrl=%q", seo.CanonicalURL)
	}
	want := []string{"灵气复苏，我成为了万古医圣", "职场"}
	if !reflect.DeepEqual(seo.Keywords, want) {
		t.Fatalf("keywords=%v", seo.Keywords)
	}
}

func TestSeoInfo_UnmarshalJSON_AliasesAndStringKeywords(t *testing.T) {
	raw := []byte(`{
		"webTitle":"镇龙",
		"webDescription":"短剧简介",
		"keyworld":"镇龙，玄幻",
		"canonical":"/detail/example-show"
	}`)
	var seo SeoInfo
	if err := json.Unmarshal(raw, &seo); err != nil {
		t.Fatalf("unmarshal: %v", err)
	}
	if seo.Title != "镇龙" || seo.Description != "短剧简介" {
		t.Fatalf("got title=%q desc=%q", seo.Title, seo.Description)
	}
	if seo.CanonicalURL != "/detail/example-show" {
		t.Fatalf("canonicalUrl=%q", seo.CanonicalURL)
	}
	want := []string{"镇龙", "玄幻"}
	if !reflect.DeepEqual(seo.Keywords, want) {
		t.Fatalf("keywords=%v", seo.Keywords)
	}
}

func TestAPIEnvelope_UnmarshalJSON_ObjectData(t *testing.T) {
	raw := []byte(`{"code":200,"msg":"ok","data":{"id":10741,"title":"都市逍遥神医","seoInfo":""}}`)
	var env APIEnvelope[PlayletInfoResp]
	if err := json.Unmarshal(raw, &env); err != nil {
		t.Fatalf("unmarshal: %v", err)
	}
	if env.Code != 200 || env.Data.ID != 10741 || env.Data.Title != "都市逍遥神医" {
		t.Fatalf("env=%+v data=%+v", env, env.Data)
	}
}

func TestAPIEnvelope_UnmarshalJSON_StringEncodedData(t *testing.T) {
	raw := []byte(`{"code":200,"msg":"ok","data":"{\"id\":10741,\"title\":\"都市逍遥神医\",\"seoInfo\":\"\"}"}`)
	var env APIEnvelope[PlayletInfoResp]
	if err := json.Unmarshal(raw, &env); err != nil {
		t.Fatalf("unmarshal: %v", err)
	}
	if env.Data.ID != 10741 || env.Data.Title != "都市逍遥神医" {
		t.Fatalf("data=%+v", env.Data)
	}
}

func TestAPIEnvelope_UnmarshalJSON_EmptyStringData(t *testing.T) {
	raw := []byte(`{"code":200,"msg":"ok","data":""}`)
	var env APIEnvelope[PlayletInfoResp]
	if err := json.Unmarshal(raw, &env); err != nil {
		t.Fatalf("unmarshal: %v", err)
	}
	if env.Data.ID != 0 {
		t.Fatalf("data=%+v", env.Data)
	}
}

func TestPlayletInfoResp_SeoInfoEmptyString(t *testing.T) {
	raw := []byte(`{"id":10741,"title":"都市逍遥神医","seoInfo":""}`)
	var info PlayletInfoResp
	if err := json.Unmarshal(raw, &info); err != nil {
		t.Fatalf("unmarshal: %v", err)
	}
	if info.ID != 10741 || info.Title != "都市逍遥神医" {
		t.Fatalf("info=%+v", info)
	}
	if info.SeoInfo.Title != "" {
		t.Fatalf("seoInfo=%+v", info.SeoInfo)
	}
}

func TestPlayletInfoResp_KeepsSeoInfo(t *testing.T) {
	raw := []byte(`{"id":10619,"slug":"example-show","title":"剧名","seoInfo":{"title":"SEO标题","description":"SEO描述","keywords":["a","b"],"canonicalUrl":"/detail/example-show"}}`)
	var info PlayletInfoResp
	if err := json.Unmarshal(raw, &info); err != nil {
		t.Fatalf("unmarshal: %v", err)
	}
	if info.SeoInfo.Title != "SEO标题" || info.SeoInfo.CanonicalURL != "/detail/example-show" {
		t.Fatalf("seoInfo=%+v", info.SeoInfo)
	}
}

func TestPlayletChapterInfoResp_KeepsSeoInfo(t *testing.T) {
	raw := []byte(`{"id":12743,"playletId":10619,"currentEpisode":1,"title":"1","seoInfo":{"title":"剧名 1","description":"剧名","keywords":["剧名","短剧"],"canonicalUrl":"/play/example-show/12743"}}`)
	var info PlayletChapterInfoResp
	if err := json.Unmarshal(raw, &info); err != nil {
		t.Fatalf("unmarshal: %v", err)
	}
	if info.SeoInfo.Title != "剧名 1" || info.SeoInfo.CanonicalURL != "/play/example-show/12743" {
		t.Fatalf("seoInfo=%+v", info.SeoInfo)
	}
}

func TestResolvePlayPageSEO_PrefersChapter(t *testing.T) {
	chapter := &PlayletChapterInfoResp{
		CurrentEpisode: 1,
		SeoInfo: SeoInfo{
			Title:        "章节标题",
			Description:  "章节描述",
			Keywords:     []string{"章节"},
			CanonicalURL: "/play/example-show/2",
		},
	}
	playlet := &PlayletInfoResp{
		Title: "短剧名",
		SeoInfo: SeoInfo{
			Title:        "短剧SEO",
			Description:  "短剧描述",
			Keywords:     []string{"短剧"},
			CanonicalURL: "/detail/example-show",
		},
	}
	seo := ResolvePlayPageSEO(chapter, playlet)
	if seo.Title != "章节标题" || seo.CanonicalURL != "/play/example-show/2" {
		t.Fatalf("seo=%+v", seo)
	}
	if !reflect.DeepEqual(seo.Keywords, []string{"章节"}) {
		t.Fatalf("keywords=%v", seo.Keywords)
	}
}

func TestResolvePlayPageTitle_UsesChapterSeoTitle(t *testing.T) {
	chapter := &PlayletChapterInfoResp{
		CurrentEpisode: 1,
		SeoInfo:        SeoInfo{Title: "灵气复苏，我成为了万古医圣 1"},
	}
	playlet := &PlayletInfoResp{Title: "灵气复苏，我成为了万古医圣"}
	if got := ResolvePlayPageTitle(chapter, playlet); got != "灵气复苏，我成为了万古医圣 1" {
		t.Fatalf("title=%q", got)
	}
}