package controller

import (
	"math"
	"strconv"
	"strings"

	"gitlab.com/mbugroup/lti-api.git/internal/modules/closings/dto"
	service "gitlab.com/mbugroup/lti-api.git/internal/modules/closings/services"
	validation "gitlab.com/mbugroup/lti-api.git/internal/modules/closings/validations"
	"gitlab.com/mbugroup/lti-api.git/internal/response"

	"github.com/gofiber/fiber/v2"
)

type ClosingController struct {
	ClosingService service.ClosingService
}

func NewClosingController(closingService service.ClosingService) *ClosingController {
	return &ClosingController{
		ClosingService: closingService,
	}
}

func (u *ClosingController) GetAll(c *fiber.Ctx) error {
	query := &validation.Query{
		Page:   c.QueryInt("page", 1),
		Limit:  c.QueryInt("limit", 10),
		Search: c.Query("search", ""),
	}

	if query.Page < 1 || query.Limit < 1 {
		return fiber.NewError(fiber.StatusBadRequest, "page and limit must be greater than 0")
	}

	result, totalResults, err := u.ClosingService.GetAll(c, query)
	if err != nil {
		return err
	}

	return c.Status(fiber.StatusOK).
		JSON(response.SuccessWithPaginate[dto.ClosingListItemDTO]{
			Code:    fiber.StatusOK,
			Status:  "success",
			Message: "Retrieved closing projects list successfully",
			Meta: response.Meta{
				Page:         query.Page,
				Limit:        query.Limit,
				TotalPages:   int64(math.Ceil(float64(totalResults) / float64(query.Limit))),
				TotalResults: totalResults,
			},
			Data: result,
		})
}

func (u *ClosingController) GetOne(c *fiber.Ctx) error {
	param := c.Params("id")

	id, err := strconv.Atoi(param)
	if err != nil || id <= 0 {
		return fiber.NewError(fiber.StatusBadRequest, "Invalid id")
	}

	result, err := u.ClosingService.GetProjectFlockByID(c, uint(id))
	if err != nil {
		return err
	}

	return c.Status(fiber.StatusOK).
		JSON(response.Success{
			Code:    fiber.StatusOK,
			Status:  "success",
			Message: "Retrieved closing information successfully",
			Data:    result,
		})
}

func (u *ClosingController) GetClosingSummary(c *fiber.Ctx) error {
	param := c.Params("projectFlockId")

	id, err := strconv.Atoi(param)
	if err != nil || id <= 0 {
		return fiber.NewError(fiber.StatusBadRequest, "Invalid projectFlockId")
	}

	result, err := u.ClosingService.GetClosingSummary(c, uint(id))
	if err != nil {
		return err
	}

	return c.Status(fiber.StatusOK).
		JSON(response.Success{
			Code:    fiber.StatusOK,
			Status:  "success",
			Message: "Retrieved project information successfully",
			Data:    result,
		})
}

func (u *ClosingController) GetPenjualan(c *fiber.Ctx) error {
	param := c.Params("project_flock_id")

	projectFlockID, err := strconv.Atoi(param)
	if err != nil {
		return fiber.NewError(fiber.StatusBadRequest, "Invalid Project Flock Id")
	}

	projectFlock, err := u.ClosingService.GetProjectFlockByID(c, uint(projectFlockID))
	if err != nil {
		return err
	}

	result, err := u.ClosingService.GetPenjualan(c, uint(projectFlockID))
	if err != nil {
		return err
	}

	return c.Status(fiber.StatusOK).
		JSON(response.Success{
			Code:    fiber.StatusOK,
			Status:  "success",
			Message: "Get closing penjualan successfully",
			Data:    dto.ToPenjualanRealisasiResponseDTO(projectFlock.Category, uint(projectFlockID), result),
		})
}

func (u *ClosingController) GetOverhead(c *fiber.Ctx) error {
	param := c.Params("project_flock_id")

	projectFlockID, err := strconv.Atoi(param)
	if err != nil {
		return fiber.NewError(fiber.StatusBadRequest, "Invalid Project Flock Id")
	}

	result, err := u.ClosingService.GetOverhead(c, uint(projectFlockID))
	if err != nil {
		return err
	}

	return c.Status(fiber.StatusOK).
		JSON(response.Success{
			Code:    fiber.StatusOK,
			Status:  "success",
			Message: "Get overhead successfully",
			Data:    result,
		})
}

func (u *ClosingController) GetClosingSapronak(c *fiber.Ctx) error {
	param := c.Params("projectFlockId")

	id, err := strconv.Atoi(param)
	if err != nil || id <= 0 {
		return fiber.NewError(fiber.StatusBadRequest, "Invalid projectFlockId")
	}

	query := &validation.SapronakQuery{
		Type:  strings.ToLower(c.Query("type")),
		Page:  c.QueryInt("page", 1),
		Limit: c.QueryInt("limit", 10),
	}

	if query.Page < 1 || query.Limit < 1 {
		return fiber.NewError(fiber.StatusBadRequest, "page and limit must be greater than 0")
	}

	if query.Type != validation.SapronakTypeIncoming && query.Type != validation.SapronakTypeOutgoing {
		return fiber.NewError(fiber.StatusBadRequest, "type must be either incoming or outgoing")
	}

	result, totalResults, err := u.ClosingService.GetClosingSapronak(c, uint(id), query)
	if err != nil {
		return err
	}

	return c.Status(fiber.StatusOK).
		JSON(response.SuccessWithPaginate[dto.ClosingSapronakItemDTO]{
			Code:    fiber.StatusOK,
			Status:  "success",
			Message: "Retrieved closing report (sapronak) successfully",
			Meta: response.Meta{
				Page:         query.Page,
				Limit:        query.Limit,
				TotalPages:   int64(math.Ceil(float64(totalResults) / float64(query.Limit))),
				TotalResults: totalResults,
			},
			Data: result,
		})
}