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package cv_controller

import (
	"net/http"
	"strconv"

	"api.qobiltu.id/models"
	"api.qobiltu.id/response"
	"api.qobiltu.id/services"
	"github.com/gin-gonic/gin"
)

type RegionController interface {
	SeedProvince(ctx *gin.Context)
	SeedCity(ctx *gin.Context)

	ListProvinces(ctx *gin.Context)
	ListCities(ctx *gin.Context)
}

type regionController struct {
	regionService services.RegionService
}

func NewRegionController(regionService services.RegionService) RegionController {
	return &regionController{
		regionService: regionService,
	}
}

func (c *regionController) SeedProvince(ctx *gin.Context) {
	err := c.regionService.SeedProvince(ctx)
	if err != nil {
		response.HandleError(ctx, err)
		return
	}

	response.HandleSuccess(ctx, http.StatusOK, "Province seeded", nil, nil)
}

func (c *regionController) SeedCity(ctx *gin.Context) {
	err := c.regionService.SeedCity(ctx)
	if err != nil {
		response.HandleError(ctx, err)
		return
	}

	response.HandleSuccess(ctx, http.StatusOK, "City seeded", nil, nil)
}

func (c *regionController) ListProvinces(ctx *gin.Context) {
	provinces, err := c.regionService.ListProvinces(ctx)
	if err != nil {
		response.HandleError(ctx, err)
		return
	}

	response.HandleSuccess(ctx, http.StatusOK, "Provinces retrieved", provinces, nil)
}

func (c *regionController) ListCities(ctx *gin.Context) {
	provinceID := ctx.Query("province_id")

	if provinceID == "" {
		cities, err := c.regionService.ListCities(ctx)
		if err != nil {
			response.HandleError(ctx, err)
			return
		}

		response.HandleSuccess(ctx, http.StatusOK, "Cities retrieved", cities, nil)
		return
	}

	provinceIDInt, err := strconv.ParseInt(provinceID, 10, 64)
	if err != nil {
		response.HandleError(ctx, err)
		return
	}

	req := models.ListCitiesByProvinceIdRequest{
		ProvinceID: provinceIDInt,
	}

	cities, err := c.regionService.ListCitiesByProvinceId(ctx, &req)
	if err != nil {
		response.HandleError(ctx, err)
		return
	}

	response.HandleSuccess(ctx, http.StatusOK, "Cities by province retrieved", cities, nil)
}