package model_classes

import (
	"strconv"

	. "git.andr3h3nriqu3s.com/andr3/fyp/logic/db_types"
	. "git.andr3h3nriqu3s.com/andr3/fyp/logic/utils"
)

func HandleList(handle *Handle) {
	handle.Get("/models/data/list", func(c *Context) *Error {
		if !c.CheckAuthLevel(1) {
			return nil
		}

		id, err := GetIdFromUrl(c, "id")
		if err != nil {
			return c.JsonBadRequest("Model Class not found!")
		}

		page := 0
		if c.R.URL.Query().Has("page") {
			page_url := c.R.URL.Query().Get("page")
			page_url_number, err := strconv.Atoi(page_url)
			if err != nil {
				return c.JsonBadRequest("Page is not a number")
			}
			page = page_url_number
		}

		var class_row struct {
			Name     string
			Model_id string
		}

		err = GetDBOnce(c, &class_row, "model_classes where id=$1", id)
		if err == NotFoundError {
			return c.JsonBadRequest("Model Class not found!")
		} else if err != nil {
			return c.Error500(err)
		}

		type baserow struct {
			Id         string `json:"id"`
			File_Path  string `json:"file_path"`
			Model_Mode int    `json:"model_mode"`
			Status     int    `json:"status"`
		}

		rows, err := GetDbMultitple[baserow](c, "model_data_point where class_id=$1 limit 11 offset $2", id, page*10)
		if err != nil {
			return c.Error500(err)
		}

		type ReturnType struct {
			ImageList []*baserow `json:"image_list"`
			Page      int        `json:"page"`
			ShowNext  bool       `json:"showNext"`
		}

		max_len := min(11, len(rows))

		c.ShowMessage = false
		return c.SendJSON(ReturnType{
			ImageList: rows[0:max_len],
			Page:      page,
			ShowNext:  len(rows) == 11,
		})
	})
}