package handler

import (
	"me-fit/service"
	"me-fit/template"
	"me-fit/template/workout"
	"me-fit/types"
	"me-fit/utils"
	"time"

	"database/sql"
	"net/http"
)

type HandlerWorkout interface {
	handle(router *http.ServeMux)
}

type HandlerWorkoutImpl struct {
	db             *sql.DB
	service        service.ServiceWorkout
	auth           service.ServiceAuth
	serverSettings *types.ServerSettings
}

func NewHandlerWorkout(db *sql.DB, service service.ServiceWorkout, auth service.ServiceAuth, serverSettings *types.ServerSettings) HandlerAuth {
	return HandlerWorkoutImpl{
		db:             db,
		service:        service,
		auth:           auth,
		serverSettings: serverSettings,
	}
}

func (handler HandlerWorkoutImpl) handle(router *http.ServeMux) {
	router.Handle("/workout", handler.handleWorkoutPage())
	router.Handle("POST /api/workout", handler.handleAddWorkout())
	router.Handle("GET /api/workout", service.HandleWorkoutGetComp(handler.db))
	router.Handle("DELETE /api/workout/{id}", service.HandleWorkoutDeleteComp(handler.db))
}

func (handler HandlerWorkoutImpl) handleWorkoutPage() http.HandlerFunc {
	return func(w http.ResponseWriter, r *http.Request) {
		user, err := handler.auth.GetUserFromSessionId(utils.GetSessionID(r))
		if err != nil {
			utils.DoRedirect(w, r, "/auth/signin")
			return
		}

		currentDate := time.Now().Format("2006-01-02")
		inner := workout.WorkoutComp(currentDate)
		userComp := service.UserInfoComp(user)
		err = template.Layout(inner, userComp, handler.serverSettings.Environment).Render(r.Context(), w)
		if err != nil {
			utils.LogError("Failed to render workout page", err)
			http.Error(w, "Internal Server Error", http.StatusInternalServerError)
		}
	}
}

func (handler HandlerWorkoutImpl) handleAddWorkout() http.HandlerFunc {
	return func(w http.ResponseWriter, r *http.Request) {
		user, err := handler.auth.GetUserFromSessionId(utils.GetSessionID(r))
		if err != nil {
			utils.DoRedirect(w, r, "/auth/signin")
			return
		}

		var dateStr = r.FormValue("date")
		var typeStr = r.FormValue("type")
		var setsStr = r.FormValue("sets")
		var repsStr = r.FormValue("reps")

		wo := service.NewWorkoutDto("", dateStr, typeStr, setsStr, repsStr)
		wo, err = handler.service.AddWorkout(user, wo)
		if err != nil {
			utils.TriggerToast(w, r, "error", "Invalid input values")
			http.Error(w, "Invalid input values", http.StatusBadRequest)
			return
		}
		wor := workout.Workout{Id: wo.RowId, Date: wo.Date, Type: wo.Type, Sets: wo.Sets, Reps: wo.Reps}

		err = workout.WorkoutItemComp(wor, true).Render(r.Context(), w)
		if err != nil {
			utils.LogError("Could not render workoutitem", err)
			utils.TriggerToast(w, r, "error", "Internal Server Error")
			http.Error(w, err.Error(), http.StatusInternalServerError)
		}
	}
}