package router

import (
	"bytes"
	"context"
	"encoding/json"
	"net/http"
	"net/http/httptest"
	"testing"

	"chatapp3-golang/internal/config"
	"chatapp3-golang/internal/integration"
	"chatapp3-golang/internal/model"
	"chatapp3-golang/internal/repo"
	"chatapp3-golang/internal/service/apppopup"

	"github.com/gin-gonic/gin"
	"gorm.io/driver/sqlite"
	"gorm.io/gorm"
)

type appPopupAuthStub struct{}

func (appPopupAuthStub) AuthenticateToken(context.Context, string) (integration.UserCredential, error) {
	return integration.UserCredential{UserID: 123, SysOrigin: "LIKEI"}, nil
}

func (appPopupAuthStub) AuthenticateConsoleToken(context.Context, string) (integration.ConsoleAccount, error) {
	return integration.ConsoleAccount{}, nil
}

func TestAppPopupEntryRoute(t *testing.T) {
	gin.SetMode(gin.TestMode)
	db := newRouterAppPopupDB(t)
	if err := db.Create(&model.AppPopupConfig{
		ID:          1001,
		SysOrigin:   "LIKEI",
		PopupKey:    "invite",
		Scene:       "APP_ENTER",
		Enabled:     true,
		LimitDays:   7,
		Priority:    100,
		Version:     1,
		ContentJSON: `{"title":"Invite friends","image":"https://cdn.example.com/invite.png"}`,
		JumpType:    "H5",
		JumpURL:     "/h5/app-invite/landing.html",
	}).Error; err != nil {
		t.Fatalf("create config: %v", err)
	}
	service := apppopup.NewService(config.Config{}, db, nil)
	engine := NewRouter(config.Config{}, &repo.Repository{}, appPopupAuthStub{}, Services{AppPopup: service})

	body := bytes.NewBufferString(`{"scene":"APP_ENTER","platform":"ios","appVersion":"3.12.0"}`)
	req := httptest.NewRequest(http.MethodPost, "/app/popups/entry", body)
	req.Header.Set("Authorization", "Bearer token")
	req.Header.Set("Content-Type", "application/json")
	rec := httptest.NewRecorder()
	engine.ServeHTTP(rec, req)

	if rec.Code != http.StatusOK {
		t.Fatalf("status = %d body = %s", rec.Code, rec.Body.String())
	}
	var payload map[string]any
	if err := json.Unmarshal(rec.Body.Bytes(), &payload); err != nil {
		t.Fatalf("decode response: %v", err)
	}
	data, ok := payload["data"].(map[string]any)
	if !ok {
		t.Fatalf("data missing: %#v", payload)
	}
	queue, ok := data["queue"].([]any)
	if !ok || len(queue) != 1 || queue[0] != "invite" {
		t.Fatalf("queue = %#v, want [invite]", data["queue"])
	}
	invite, ok := data["invite"].(map[string]any)
	if !ok {
		t.Fatalf("invite missing: %#v", data)
	}
	if invite["value"] != true || invite["limit"] != float64(7) {
		t.Fatalf("invite = %#v, want value true limit 7", invite)
	}
}

func TestAppPopupEntryRouteRequiresAuth(t *testing.T) {
	gin.SetMode(gin.TestMode)
	db := newRouterAppPopupDB(t)
	service := apppopup.NewService(config.Config{}, db, nil)
	engine := NewRouter(config.Config{}, &repo.Repository{}, appPopupAuthStub{}, Services{AppPopup: service})

	req := httptest.NewRequest(http.MethodPost, "/app/popups/entry", bytes.NewBufferString(`{}`))
	req.Header.Set("Content-Type", "application/json")
	rec := httptest.NewRecorder()
	engine.ServeHTTP(rec, req)

	if rec.Code != http.StatusUnauthorized {
		t.Fatalf("status = %d body = %s, want 401", rec.Code, rec.Body.String())
	}
}

func TestAppPopupEntryRouteAllowsEmptyBody(t *testing.T) {
	gin.SetMode(gin.TestMode)
	db := newRouterAppPopupDB(t)
	if err := db.Create(&model.AppPopupConfig{
		ID:            1001,
		SysOrigin:     "LIKEI",
		PopupKey:      "invite",
		Scene:         "APP_ENTER",
		Enabled:       true,
		LimitDays:     7,
		Priority:      100,
		Version:       1,
		UserScopeType: "ALL",
	}).Error; err != nil {
		t.Fatalf("create config: %v", err)
	}
	service := apppopup.NewService(config.Config{}, db, nil)
	engine := NewRouter(config.Config{}, &repo.Repository{}, appPopupAuthStub{}, Services{AppPopup: service})

	req := httptest.NewRequest(http.MethodPost, "/app/popups/entry", nil)
	req.Header.Set("Authorization", "Bearer token")
	rec := httptest.NewRecorder()
	engine.ServeHTTP(rec, req)

	if rec.Code != http.StatusOK {
		t.Fatalf("status = %d body = %s, want 200", rec.Code, rec.Body.String())
	}
}

func TestAppPopupAdminRoutes(t *testing.T) {
	gin.SetMode(gin.TestMode)
	db := newRouterAppPopupDB(t)
	service := apppopup.NewService(config.Config{}, db, nil)
	engine := NewRouter(config.Config{}, &repo.Repository{}, appPopupAuthStub{}, Services{AppPopup: service})

	saveBody := bytes.NewBufferString(`{"sysOrigin":"LIKEI","popupKey":"invite","enabled":true,"limitDays":7,"description":"邀请弹窗"}`)
	saveReq := httptest.NewRequest(http.MethodPost, "/app-system/home-popups/configs/save", saveBody)
	saveReq.Header.Set("Authorization", "Bearer console-token")
	saveReq.Header.Set("Content-Type", "application/json")
	saveRec := httptest.NewRecorder()
	engine.ServeHTTP(saveRec, saveReq)
	if saveRec.Code != http.StatusOK {
		t.Fatalf("save status = %d body = %s", saveRec.Code, saveRec.Body.String())
	}

	listReq := httptest.NewRequest(http.MethodGet, "/app-system/home-popups/configs?sysOrigin=LIKEI", nil)
	listReq.Header.Set("Authorization", "Bearer console-token")
	listRec := httptest.NewRecorder()
	engine.ServeHTTP(listRec, listReq)
	if listRec.Code != http.StatusOK {
		t.Fatalf("list status = %d body = %s", listRec.Code, listRec.Body.String())
	}
	var listPayload map[string]any
	if err := json.Unmarshal(listRec.Body.Bytes(), &listPayload); err != nil {
		t.Fatalf("decode list response: %v", err)
	}
	data := listPayload["data"].(map[string]any)
	records := data["records"].([]any)
	if len(records) != 1 {
		t.Fatalf("records = %#v, want one", records)
	}
	record := records[0].(map[string]any)
	id := record["id"].(string)

	deleteReq := httptest.NewRequest(http.MethodDelete, "/app-system/home-popups/configs/"+id, nil)
	deleteReq.Header.Set("Authorization", "Bearer console-token")
	deleteRec := httptest.NewRecorder()
	engine.ServeHTTP(deleteRec, deleteReq)
	if deleteRec.Code != http.StatusOK {
		t.Fatalf("delete status = %d body = %s", deleteRec.Code, deleteRec.Body.String())
	}
}

func newRouterAppPopupDB(t *testing.T) *gorm.DB {
	t.Helper()
	db, err := gorm.Open(sqlite.Open(":memory:"), &gorm.Config{})
	if err != nil {
		t.Fatalf("open sqlite: %v", err)
	}
	if err := db.AutoMigrate(&model.AppPopupConfig{}); err != nil {
		t.Fatalf("migrate app popup config: %v", err)
	}
	return db
}