package handlers

import (
	"fmt"
	"strconv"

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

func CreateCard(c *fiber.Ctx) error {
	card := types.Card{}
	if err := c.BodyParser(&card); err != nil {
		return c.Status(fiber.StatusBadRequest).JSON(fiber.Map{
			"error": "Cannot parse request",
			"trace": fmt.Sprint(err),
		})
	}

	id, err := db.CreateCard(card)
	if err != nil {
		return c.Status(fiber.StatusInternalServerError).JSON(fiber.Map{
			"error": "Cannot create card",
			"trace": fmt.Sprint(err),
		})
	}

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

func GetProjectCards(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",
			"trace": fmt.Sprint(err),
		})
	}

	exists, err := db.ExistProject(projectID)
	if err != nil {
		return c.Status(fiber.StatusInternalServerError).JSON(fiber.Map{
			"error": "Error finding project",
			"trace": fmt.Sprint(err),
		})
	}

	if !exists {
		return c.SendStatus(fiber.StatusNotFound)
	}

	cards, err := db.GetProjectsCards(projectID)
	if err != nil {
		return c.Status(fiber.StatusInternalServerError).JSON(fiber.Map{
			"error": "Cannot retrieve cards",
			"trace": fmt.Sprint(err),
		})
	}

	return c.Status(fiber.StatusOK).JSON(cards)
}

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

	card, err := db.GetCard(id)
	if err != nil {
		return c.Status(fiber.StatusInternalServerError).JSON(fiber.Map{
			"error": "Cannot retrieve card",
			"trace": fmt.Sprint(err),
		})
	}
	if card == nil {
		return c.SendStatus(fiber.StatusNotFound)
	}

	return c.Status(fiber.StatusOK).JSON(card)
}

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

	count, err := db.DeleteCard(id)
	if err != nil {
		return c.Status(fiber.StatusInternalServerError).JSON(fiber.Map{
			"error": "Cannot delete card",
			"trace": fmt.Sprint(err),
		})
	}

	if count == 0 {
		return c.SendStatus(fiber.StatusNotFound)
	}

	return c.SendStatus(fiber.StatusNoContent)
}

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

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

	count, err := db.UpdateCard(card)
	if err != nil {
		return c.Status(fiber.StatusInternalServerError).JSON(fiber.Map{
			"error": "Cannot update card",
			"trace": fmt.Sprint(err),
		})
	}

	if count == 0 {
		return c.SendStatus(fiber.StatusNotFound)
	}

	return c.SendStatus(fiber.StatusOK)
}