package http_router

import (
	"context"
	"encoding/json"
	"log/slog"
	"net/http"

	"git-molva.ru/Molva/molva-backend/services/api_gateway/internal/constants"
	"github.com/gorilla/mux"

	rmodel "git-molva.ru/Molva/molva-backend/services/api_gateway/internal/request_model"
)

func (h *handler) getCompanyListAgentHandler(w http.ResponseWriter, r *http.Request) {
	const handlerName = "getCompanyListAgentHandler"

	var (
		vars    = mux.Vars(r)
		agentId = vars["agent_id"]
	)

	result, err := h.agentService.GetCompanyList(r.Context(), &rmodel.CompanyListGetRequest{
		Id: agentId,
	})
	if err != nil {
		h.handleAgentError(w, err)
		h.logger.Error("error getting company list",
			slog.String("error", err.Error()),
			slog.String("handler", handlerName),
		)

		return
	}

	w.Header().Set("Content-Type", "application/json")

	if err := json.NewEncoder(w).Encode(result); err != nil {
		http.Error(w, constants.ErrInternalServerError.Error(), http.StatusInternalServerError)
		h.logger.Error("error encoding response",
			slog.String("error", err.Error()),
			slog.String("handler", handlerName),
		)
	}
}

func (h *handler) getCompanyByIdAgentHandler(w http.ResponseWriter, r *http.Request) {
	const handlerName = "getCompanyByIdAgentHandler"

	var (
		vars      = mux.Vars(r)
		agentId   = vars["agent_id"]
		companyId = vars["company_id"]
	)

	result, err := h.agentService.GetCompanyInfo(r.Context(), &rmodel.CompanyByIdGetRequest{
		UserId:    agentId,
		CompanyId: companyId,
	})
	if err != nil {
		h.handleAgentError(w, err)
		h.logger.Error("error getting company info",
			slog.String("error", err.Error()),
			slog.String("handler", handlerName),
		)

		return
	}

	w.Header().Set("Content-Type", "application/json")

	if err := json.NewEncoder(w).Encode(result); err != nil {
		http.Error(w, constants.ErrInternalServerError.Error(), http.StatusInternalServerError)
		h.logger.Error("error encoding response",
			slog.String("error", err.Error()),
			slog.String("handler", handlerName),
		)
	}
}

// FIXME: foreign key violation review
func (h *handler) createCompanyAgentHandler(w http.ResponseWriter, r *http.Request) {
	const handlerName = "createAgentCompanyHandler"

	var (
		vars    = mux.Vars(r)
		agentId = vars["agent_id"]
	)

	var request rmodel.CompanyCreateRequest
	if err := json.NewDecoder(r.Body).Decode(&request); err != nil {
		http.Error(w, constants.ErrBadRequest.Error(), http.StatusBadRequest)
		h.logger.Error("error while unmarshalling request: ",
			slog.String("error", err.Error()),
			slog.String("handler", handlerName))

		return
	}

	request.OwnerId = agentId

	result, err := h.agentService.CreateCompany(r.Context(), &request)
	if err != nil {
		h.handleAgentError(w, err)
		h.logger.Error("error creating company",
			slog.String("error", err.Error()),
			slog.String("handler", handlerName),
		)

		return
	}

	w.WriteHeader(http.StatusCreated)
	w.Header().Set("Content-Type", "application/json")

	// go h.createCreateCompanyFeedEvent(r.Context(), agentId, true, resp, handlerName)

	if err := json.NewEncoder(w).Encode(result); err != nil {
		http.Error(w, constants.ErrInternalServerError.Error(), http.StatusInternalServerError)
		h.logger.Error("error encoding response",
			slog.String("error", err.Error()),
			slog.String("handler", handlerName),
		)
	}
}

func (h *handler) updateCompanyAgentHandler(w http.ResponseWriter, r *http.Request) {
	const handlerName = "updateCompanyAgentHandler"

	var (
		vars      = mux.Vars(r)
		agentId   = vars["agent_id"]
		companyId = vars["company_id"]
	)

	var request rmodel.CompanyUpdateRequest
	if err := json.NewDecoder(r.Body).Decode(&request); err != nil {
		http.Error(w, constants.ErrBadRequest.Error(), http.StatusBadRequest)
		h.logger.Error("error while unmarshalling request: ",
			slog.String("error", err.Error()),
			slog.String("handler", handlerName),
		)

		return
	}

	request.Id = companyId

	if _, err := h.agentService.UpdateCompanyInfo(r.Context(), &request); err != nil {
		h.handleAgentError(w, err)
		h.logger.Error("error updating company info",
			slog.String("error", err.Error()),
			slog.String("handler", handlerName),
		)

		return
	}

	go h.createEditCompanyFeedEvent(
		context.Background(),
		agentId,
		true,
		companyId,
		handlerName,
	)

	w.WriteHeader(http.StatusNoContent)
}