//   Vikunja is a todo-list application to facilitate your life.
//   Copyright 2019 Vikunja and contributors. All rights reserved.
//
//   This program is free software: you can redistribute it and/or modify
//   it under the terms of the GNU General Public License as published by
//   the Free Software Foundation, either version 3 of the License, or
//   (at your option) any later version.
//
//   This program is distributed in the hope that it will be useful,
//   but WITHOUT ANY WARRANTY; without even the implied warranty of
//   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//   GNU General Public License for more details.
//
//   You should have received a copy of the GNU General Public License
//   along with this program.  If not, see <https://www.gnu.org/licenses/>.

package migration

import (
	"code.vikunja.io/api/pkg/utils"
	"github.com/go-xorm/xorm"
	"src.techknowlogick.com/xormigrate"
)

type listTask20190511202210 struct {
	ID                int64   `xorm:"int(11) autoincr not null unique pk" json:"id" param:"listtask"`
	Text              string  `xorm:"varchar(250) not null" json:"text" valid:"runelength(3|250)" minLength:"3" maxLength:"250"`
	Description       string  `xorm:"varchar(250)" json:"description" valid:"runelength(0|250)" maxLength:"250"`
	Done              bool    `xorm:"INDEX null" json:"done"`
	DoneAtUnix        int64   `xorm:"INDEX null" json:"doneAt"`
	DueDateUnix       int64   `xorm:"int(11) INDEX null" json:"dueDate"`
	RemindersUnix     []int64 `xorm:"JSON TEXT null" json:"reminderDates"`
	CreatedByID       int64   `xorm:"int(11) not null" json:"-"` // ID of the user who put that task on the list
	ListID            int64   `xorm:"int(11) INDEX not null" json:"listID" param:"list"`
	RepeatAfter       int64   `xorm:"int(11) INDEX null" json:"repeatAfter"`
	ParentTaskID      int64   `xorm:"int(11) INDEX null" json:"parentTaskID"`
	Priority          int64   `xorm:"int(11) null" json:"priority"`
	StartDateUnix     int64   `xorm:"int(11) INDEX null" json:"startDate" query:"-"`
	EndDateUnix       int64   `xorm:"int(11) INDEX null" json:"endDate" query:"-"`
	HexColor          string  `xorm:"varchar(6) null" json:"hexColor" valid:"runelength(0|6)" maxLength:"6"`
	UID               string  `xorm:"varchar(250) null" json:"-"`
	Sorting           string  `xorm:"-" json:"-" query:"sort"` // Parameter to sort by
	StartDateSortUnix int64   `xorm:"-" json:"-" query:"startdate"`
	EndDateSortUnix   int64   `xorm:"-" json:"-" query:"enddate"`
	Created           int64   `xorm:"created not null" json:"created"`
	Updated           int64   `xorm:"updated not null" json:"updated"`
}

func (listTask20190511202210) TableName() string {
	return "tasks"
}

func init() {
	migrations = append(migrations, &xormigrate.Migration{
		ID:          "20190511202210",
		Description: "Add task uid",
		Migrate: func(tx *xorm.Engine) error {
			err := tx.Sync2(listTask20190511202210{})
			if err != nil {
				return err
			}

			// Get all tasks and generate a random uid for them
			var allTasks []*listTask20190511202210
			err = tx.Find(&allTasks)
			if err != nil {
				return err
			}

			for _, t := range allTasks {
				t.UID = utils.MakeRandomString(40)
				_, err = tx.Where("id = ?", t.ID).Cols("uid").Update(t)
				if err != nil {
					return err
				}
			}

			return nil
		},
		Rollback: func(tx *xorm.Engine) error {
			return dropTableColum(tx, "tasks", "uid")
		},
	})
}
