package tasks

import (
	dbtypes "git.andr3h3nriqu3s.com/andr3/fyp/logic/db_types"
	. "git.andr3h3nriqu3s.com/andr3/fyp/logic/models/utils"
	. "git.andr3h3nriqu3s.com/andr3/fyp/logic/tasks/utils"
	. "git.andr3h3nriqu3s.com/andr3/fyp/logic/utils"
)

func handleList(handler *Handle) {
	handler.PostAuth("/tasks/list", 1, func(c *Context) *Error {
        var err error = nil

		var requestData struct {
			ModelId string `json:"model_id"`
            Page int `json:"page"`
		}

		if _err := c.ToJSON(&requestData); _err != nil {
			return _err
		}

		if requestData.ModelId == "" && c.User.UserType < int(dbtypes.User_Admin) {
			return c.SendJSONStatus(400, "Please provide a model_id")
		}

		if requestData.ModelId != "" {
			_, err := GetBaseModel(c.Db, requestData.ModelId)
			if err == ModelNotFoundError {
				return c.SendJSONStatus(404, "Model not found!")
			} else if err != nil {
				return c.Error500(err)
			}
		}

        var rows []*Task = nil

		if requestData.ModelId != "" {
			rows, err = GetDbMultitple[Task](c, "tasks where model_id=$1 order by created_on desc limit 11 offset $2", requestData.ModelId, requestData.Page * 10)
			if err != nil {
				return c.Error500(err)
			}
		} else {
			rows, err = GetDbMultitple[Task](c, "tasks order by created_on desc limit 11 offset $1", requestData.Page * 10)
			if err != nil {
				return c.Error500(err)
			}
		}

		max_len := min(11, len(rows))
        
        c.ShowMessage = false
		return c.SendJSON(struct {
            TaskList []*Task `json:"task_list"`
            ShowNext bool `json:"show_next"`
        } {
            rows[0:max_len],
            len(rows) > 10,
        })
	})
}