package v1

import (
	"encoding/json"
	"fmt"
	"net/http"
	"net/http/httptest"
	"testing"

	"github.com/gin-gonic/gin"
	"github.com/stretchr/testify/suite"
	"gorm.io/driver/sqlite"
	"gorm.io/gorm"

	"github.com/gochat/gochat/internal/model"
	"github.com/gochat/gochat/internal/repository"
	"github.com/gochat/gochat/internal/service"
)

type SummaryReportHandlerTestSuite struct {
	suite.Suite
	db      *gorm.DB
	handler *SummaryReportHandler
	router  *gin.Engine
	account *model.Account
}

func (s *SummaryReportHandlerTestSuite) SetupSuite() {
	s.db, _ = gorm.Open(sqlite.Open(":memory:"), &gorm.Config{})
	s.db.AutoMigrate(&model.Account{}, &model.ReportingEventsRollup{})

	repo := repository.NewReportingEventsRollupRepo(s.db)
	svc := service.NewSummaryReportService(repo)
	s.handler = NewSummaryReportHandler(svc)

	gin.SetMode(gin.TestMode)
	r := gin.New()
	accountGroup := r.Group("/api/v1/accounts/:account_id")
	accountGroup.GET("/summary_reports/agent", s.handler.Agent)
	accountGroup.GET("/summary_reports/team", s.handler.Team)
	accountGroup.GET("/summary_reports/inbox", s.handler.Inbox)
	accountGroup.GET("/summary_reports/label", s.handler.Label)
	accountGroup.GET("/summary_reports/channel", s.handler.Channel)
	s.router = r

	s.account = &model.Account{Name: "TestAccount"}
	s.db.Create(s.account)
}

func TestSummaryReportHandlerTestSuite(t *testing.T) {
	suite.Run(t, new(SummaryReportHandlerTestSuite))
}

func (s *SummaryReportHandlerTestSuite) TestAgent_InvalidAccountID() {
	w := httptest.NewRecorder()
	req := httptest.NewRequest(http.MethodGet, "/api/v1/accounts/abc/summary_reports/agent?since=1704067200&until=1735689599", nil)
	s.router.ServeHTTP(w, req)
	s.Equal(http.StatusBadRequest, w.Code)
}

func (s *SummaryReportHandlerTestSuite) TestAgent_MissingDateRange() {
	w := httptest.NewRecorder()
	req := httptest.NewRequest(http.MethodGet, fmt.Sprintf("/api/v1/accounts/%d/summary_reports/agent", s.account.ID), nil)
	s.router.ServeHTTP(w, req)
	s.Equal(http.StatusBadRequest, w.Code)
}

func (s *SummaryReportHandlerTestSuite) TestAgent_Success() {
	w := httptest.NewRecorder()
	req := httptest.NewRequest(http.MethodGet, fmt.Sprintf("/api/v1/accounts/%d/summary_reports/agent?since=1704067200&until=1735689599", s.account.ID), nil)
	s.router.ServeHTTP(w, req)
	s.Equal(http.StatusOK, w.Code)
	var body []interface{}
	s.NoError(json.Unmarshal(w.Body.Bytes(), &body))
}

func (s *SummaryReportHandlerTestSuite) TestTeam_InvalidAccountID() {
	w := httptest.NewRecorder()
	req := httptest.NewRequest(http.MethodGet, "/api/v1/accounts/abc/summary_reports/team?since=1704067200&until=1735689599", nil)
	s.router.ServeHTTP(w, req)
	s.Equal(http.StatusBadRequest, w.Code)
}

func (s *SummaryReportHandlerTestSuite) TestTeam_MissingDateRange() {
	w := httptest.NewRecorder()
	req := httptest.NewRequest(http.MethodGet, fmt.Sprintf("/api/v1/accounts/%d/summary_reports/team", s.account.ID), nil)
	s.router.ServeHTTP(w, req)
	s.Equal(http.StatusBadRequest, w.Code)
}

func (s *SummaryReportHandlerTestSuite) TestInbox_InvalidAccountID() {
	w := httptest.NewRecorder()
	req := httptest.NewRequest(http.MethodGet, "/api/v1/accounts/abc/summary_reports/inbox?since=1704067200&until=1735689599", nil)
	s.router.ServeHTTP(w, req)
	s.Equal(http.StatusBadRequest, w.Code)
}

func (s *SummaryReportHandlerTestSuite) TestLabel_InvalidAccountID() {
	w := httptest.NewRecorder()
	req := httptest.NewRequest(http.MethodGet, "/api/v1/accounts/abc/summary_reports/label?since=1704067200&until=1735689599", nil)
	s.router.ServeHTTP(w, req)
	s.Equal(http.StatusBadRequest, w.Code)
}

func (s *SummaryReportHandlerTestSuite) TestChannel_DateRangeTooLong() {
	w := httptest.NewRecorder()
	req := httptest.NewRequest(http.MethodGet, fmt.Sprintf("/api/v1/accounts/%d/summary_reports/channel?since=1704067200&until=1735689599", s.account.ID), nil)
	s.router.ServeHTTP(w, req)
	s.Equal(http.StatusBadRequest, w.Code)
}