package handlers

import (
	"strconv"

	"git.bhasher.com/bhasher/focus/backend/db"
	"git.bhasher.com/bhasher/focus/backend/types"
	"github.com/gofiber/fiber/v2"
)

func CreateList(c *fiber.Ctx) error {
	list := types.List{}
	if err := c.BodyParser(&list); err != nil {
		return c.Status(fiber.StatusBadRequest).JSON(fiber.Map{"error": "Cannot parse request"})
	}

	id, err := db.CreateList(list)
	if err != nil {
		return c.Status(fiber.StatusInternalServerError).JSON(fiber.Map{"error": "Cannot create list"})
	}

	return c.Status(fiber.StatusCreated).JSON(fiber.Map{"id": id})
}

func GetAllListsOf(c *fiber.Ctx) error {
	projectID, err := strconv.Atoi(c.Params("project_id"))
	if err != nil {
		return c.Status(fiber.StatusBadRequest).JSON(fiber.Map{"error": "Invalid project ID"})
	}

	lists, err := db.GetAllListsOf(projectID)
	if err != nil {
		return c.Status(fiber.StatusInternalServerError).JSON(fiber.Map{"error": "Cannot retrieve lists"})
	}

	return c.JSON(lists)
}

func GetList(c *fiber.Ctx) error {
	id, err := strconv.Atoi(c.Params("id"))
	if err != nil {
		return c.Status(fiber.StatusBadRequest).JSON(fiber.Map{"error": "Invalid list ID"})
	}

	list, err := db.GetList(id)
	if err != nil {
		return c.Status(fiber.StatusInternalServerError).JSON(fiber.Map{"error": "Cannot retrieve list"})
	}
	if list == nil {
		return c.Status(fiber.StatusNotFound).JSON(fiber.Map{"error": "List not found"})
	}

	return c.JSON(list)
}

func DeleteList(c *fiber.Ctx) error {
	id, err := strconv.Atoi(c.Params("id"))
	if err != nil {
		return c.Status(fiber.StatusBadRequest).JSON(fiber.Map{"error": "Invalid list ID"})
	}

	err = db.DeleteList(id)
	if err != nil {
		return c.Status(fiber.StatusInternalServerError).JSON(fiber.Map{"error": "Cannot delete list"})
	}

	return c.SendStatus(fiber.StatusNoContent)
}

func UpdateList(c *fiber.Ctx) error {
	id, err := strconv.Atoi(c.Params("id"))
	if err != nil {
		return c.Status(fiber.StatusBadRequest).JSON(fiber.Map{"error": "Invalid list ID"})
	}

	list := types.List{ID: id}
	if err := c.BodyParser(&list); err != nil {
		return c.Status(fiber.StatusBadRequest).JSON(fiber.Map{"error": "Cannot parse request"})
	}

	err = db.UpdateList(list)
	if err != nil {
		return c.Status(fiber.StatusInternalServerError).JSON(fiber.Map{"error": "Cannot update list"})
	}

	return c.SendStatus(fiber.StatusOK)
}