package groups

import (
	"system-trace/core/database"
	"system-trace/core/parsers"
	"system-trace/core/types"

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

// MARK: GetGroups godoc
// @Summary      Get groups (with pagination)
// @Description  Returns array of groups and count
// @Tags         groups
// @Produce      json
// @Param        count query int true "Count of rows" minimum(10) maximum(100)
// @Param        offset query int true "Rows to skip" minumum(0)
// @Header			 200 {string} Token "accessToken=...;refreshToken=..."
// @Success 		 200 {object} types.JSONPagination
// @Router       /groups [get]
func GetGroupsHandler(c *fiber.Ctx) error {
	// TODO permission validate
	p, err := parsers.ParsePagination(c)
	if err != nil {
		return c.Status(fiber.StatusBadRequest).JSON(types.JSONError{
			Error: err.Error(),
		})
	}

	ob, err := parsers.ParseOrder(c)
	if err != nil {
		return c.Status(fiber.StatusBadRequest).JSON(types.JSONError{
			Error: err.Error(),
		})
	}

	groups, cursor, err := database.FindGroups(p, ob)
	if err != nil {
		return c.Status(fiber.StatusBadRequest).JSON(types.JSONError{
			Error: err.Error(),
		})
	}

	return c.Status(fiber.StatusOK).JSON(types.JSONPagination{
		Data:   groups,
		Cursor: cursor,
	})
}

// MARK: GetGroupByID godoc
// @Summary      Get group by ID
// @Description  Returns group instance
// @Tags         groups
// @Produce      json
// @Param        id path int true "Group ID" minimum(1)
// @Header			 200 {string} Token "accessToken=...;refreshToken=..."
// @Success 		 200 {object} database.Group
// @Router       /groups/:id [get]
func GetGroupByIDHandler(c *fiber.Ctx) error {
	// TODO permission validate
	id, err := c.ParamsInt("id")
	if err != nil {
		return c.Status(fiber.StatusBadRequest).JSON(types.JSONError{
			Error: err.Error(),
		})
	}

	group, err := database.FindGroupByID(id)
	if err != nil {
		return c.Status(fiber.StatusBadRequest).JSON(types.JSONError{
			Error: err.Error(),
		})
	}

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

// MARK: CreateGroup godoc
// @Summary      Create group
// @Description  Create group with specified data
// @Tags         groups
// @Produce      json
// @Param        request body database.Group true "Request body"
// @Header			 200 {string} Token "accessToken=...;refreshToken=..."
// @Success 		 200
// @Router       /groups [post]
func CreateGroupHandler(c *fiber.Ctx) error {
	// TODO permission validate
	g := new(database.Group)
	if err := c.BodyParser(g); err != nil {
		return c.Status(fiber.StatusBadRequest).JSON(types.JSONError{
			Error: err.Error(),
		})
	}

	err := database.InsertGroup(g)
	if err != nil {
		return c.Status(fiber.StatusBadRequest).JSON(types.JSONError{
			Error: err.Error(),
		})
	}

	return c.SendStatus(fiber.StatusOK)
}

// MARK: UpdateGroup godoc
// @Summary      Update group
// @Description  Update group with specified data
// @Tags         groups
// @Produce      json
// @Param        request body database.Group true "Request body"
// @Header			 200 {string} Token "accessToken=...;refreshToken=..."
// @Success 		 200
// @Router       /groups [patch]
func UpdateGroupHandler(c *fiber.Ctx) error {
	// TODO permission validate
	g := new(database.Group)
	if err := c.BodyParser(g); err != nil {
		return c.Status(fiber.StatusBadRequest).JSON(types.JSONError{
			Error: err.Error(),
		})
	}

	err := database.UpdateGroup(g, []string{"*"})
	if err != nil {
		return c.Status(fiber.StatusBadRequest).JSON(types.JSONError{
			Error: err.Error(),
		})
	}

	return c.SendStatus(fiber.StatusOK)
}

// MARK: DeleteGroup godoc
// @Summary      Delete group
// @Description  Delete group by ID
// @Tags         groups
// @Produce      json
// @Param        id path int true "Group ID" minimum(1)
// @Header			 200 {string} Token "accessToken=...;refreshToken=..."
// @Success 		 200
// @Router       /groups/:id [delete]
func DeleteGroupHandler(c *fiber.Ctx) error {
	// TODO permission validate
	id, err := c.ParamsInt("id")
	if err != nil {
		return c.Status(fiber.StatusBadRequest).JSON(types.JSONError{
			Error: err.Error(),
		})
	}

	err = database.DeleteGroup(id)
	if err != nil {
		return c.Status(fiber.StatusBadRequest).JSON(types.JSONError{
			Error: err.Error(),
		})
	}

	return c.SendStatus(fiber.StatusOK)
}