package controller

import (
	"math"
	"strconv"

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

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

type DailyChecklistController struct {
	DailyChecklistService service.DailyChecklistService
}

func NewDailyChecklistController(dailyChecklistService service.DailyChecklistService) *DailyChecklistController {
	return &DailyChecklistController{
		DailyChecklistService: dailyChecklistService,
	}
}

func (u *DailyChecklistController) 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.DailyChecklistService.GetAll(c, query)
	if err != nil {
		return err
	}

	return c.Status(fiber.StatusOK).
		JSON(response.SuccessWithPaginate[dto.DailyChecklistListDTO]{
			Code:    fiber.StatusOK,
			Status:  "success",
			Message: "Get all dailyChecklists successfully",
			Meta: response.Meta{
				Page:         query.Page,
				Limit:        query.Limit,
				TotalPages:   int64(math.Ceil(float64(totalResults) / float64(query.Limit))),
				TotalResults: totalResults,
			},
			Data: dto.ToDailyChecklistListDTOs(result),
		})
}

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

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

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

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

func (u *DailyChecklistController) CreateOne(c *fiber.Ctx) error {
	req := new(validation.Create)

	if err := c.BodyParser(req); err != nil {
		return fiber.NewError(fiber.StatusBadRequest, "Invalid request body")
	}

	result, err := u.DailyChecklistService.CreateOne(c, req)
	if err != nil {
		return err
	}

	return c.Status(fiber.StatusCreated).
		JSON(response.Success{
			Code:    fiber.StatusCreated,
			Status:  "success",
			Message: "Create dailyChecklist successfully",
			Data:    dto.ToDailyChecklistListDTO(*result),
		})
}

func (u *DailyChecklistController) UpdateOne(c *fiber.Ctx) error {
	req := new(validation.Update)
	param := c.Params("id")

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

	if err := c.BodyParser(req); err != nil {
		return fiber.NewError(fiber.StatusBadRequest, "Invalid request body")
	}

	result, err := u.DailyChecklistService.UpdateOne(c, req, uint(id))
	if err != nil {
		return err
	}

	return c.Status(fiber.StatusOK).
		JSON(response.Success{
			Code:    fiber.StatusOK,
			Status:  "success",
			Message: "Update dailyChecklist successfully",
			Data:    dto.ToDailyChecklistListDTO(*result),
		})
}

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

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

	if err := u.DailyChecklistService.DeleteOne(c, uint(id)); err != nil {
		return err
	}

	return c.Status(fiber.StatusOK).
		JSON(response.Common{
			Code:    fiber.StatusOK,
			Status:  "success",
			Message: "Delete dailyChecklist successfully",
		})
}

func (u *DailyChecklistController) CreateDailyChecklistPhase(c *fiber.Ctx) error {
	param := c.Params("idDailyChecklist")
	id, err := strconv.Atoi(param)
	if err != nil {
		return fiber.NewError(fiber.StatusBadRequest, "Invalid daily checklist id")
	}

	req := new(validation.AssignPhases)
	if err := c.BodyParser(req); err != nil {
		return fiber.NewError(fiber.StatusBadRequest, "Invalid request body")
	}

	if err := u.DailyChecklistService.AssignPhases(c, uint(id), req); err != nil {
		return err
	}

	return c.Status(fiber.StatusCreated).
		JSON(response.Success{
			Code:    fiber.StatusCreated,
			Status:  "success",
			Message: "Daily checklist phases saved successfully",
		})
}

func (u *DailyChecklistController) CreateAssignment(c *fiber.Ctx) error {
	param := c.Params("idDailyChecklist")
	id, err := strconv.Atoi(param)
	if err != nil {
		return fiber.NewError(fiber.StatusBadRequest, "Invalid daily checklist id")
	}

	req := new(validation.AssignTask)
	if err := c.BodyParser(req); err != nil {
		return fiber.NewError(fiber.StatusBadRequest, "Invalid request body")
	}

	if err := u.DailyChecklistService.AssignTasks(c, uint(id), req); err != nil {
		return err
	}

	return c.Status(fiber.StatusCreated).
		JSON(response.Success{
			Code:    fiber.StatusCreated,
			Status:  "success",
			Message: "Daily checklist assignments saved successfully",
		})
}

func (u *DailyChecklistController) RemoveAssignment(c *fiber.Ctx) error {
	dailyChecklistParam := c.Params("idDailyChecklist")
	employeeParam := c.Params("idEmployee")

	dailyChecklistID, err := strconv.Atoi(dailyChecklistParam)
	if err != nil {
		return fiber.NewError(fiber.StatusBadRequest, "Invalid daily checklist id")
	}

	employeeID, err := strconv.Atoi(employeeParam)
	if err != nil {
		return fiber.NewError(fiber.StatusBadRequest, "Invalid employee id")
	}

	if err := u.DailyChecklistService.RemoveAssignment(c, uint(dailyChecklistID), uint(employeeID)); err != nil {
		return err
	}

	return c.Status(fiber.StatusOK).
		JSON(response.Common{
			Code:    fiber.StatusOK,
			Status:  "success",
			Message: "Assignment removed successfully",
		})
}

func (u *DailyChecklistController) GetAllTasks(c *fiber.Ctx) error {
	checklistParam := c.Query("checklist_id", "")
	if checklistParam == "" {
		return fiber.NewError(fiber.StatusBadRequest, "checklist_id is required")
	}

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

	result, err := u.DailyChecklistService.GetTasks(c, uint(checklistID))
	if err != nil {
		return err
	}

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