// Copyright (c) 2017, Daniel Andersen (daniel@trollsahead.dk)
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this
//    list of conditions and the following disclaimer.
// 2. Redistributions in binary form must reproduce the above copyright notice,
//    this list of conditions and the following disclaimer in the documentation
//    and/or other materials provided with the distribution.
// 3. The name of the author may not be used to endorse or promote products derived
//    from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
// ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
// ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

/**
 * Represents a change log entry.
 */

package dk.etiktak.backend.model.changelog

import dk.etiktak.backend.model.BaseModel
import dk.etiktak.backend.model.user.Client
import org.springframework.format.annotation.DateTimeFormat
import java.util.*
import javax.persistence.*

@Entity(name = "change_logs")
open class ChangeLog : BaseModel() {

    @Id
    @GeneratedValue(strategy = GenerationType.AUTO)
    @Column(name = "change_log_id")
    var id: Long = 0

    @ManyToOne(optional = false)
    @JoinColumn(name = "client_id")
    var client = Client()

    @Column(name = "changed_entity_type")
    var changedEntityType = ChangedEntityType.Unknown

    @Column(name = "entity_uuid", nullable = true)
    var entityUuid: String? = null

    @Column(name = "change_type")
    var changeType = ChangeType.Unknown

    @Column(name = "change_text", nullable = true, columnDefinition="TEXT")
    var changeText: String? = null

    @DateTimeFormat(pattern = "yyyy-MM-dd HH:mm:ss")
    var creationTime = Date()



    @PrePersist
    fun prePersist() {
        creationTime = Date()
    }
}

enum class ChangedEntityType {
    Unknown,
    Product,
    ProductCategory,
    ProductLabel,
    Company,
    InfoSource,
    InfoChannel
}

enum class ChangeType {
    Unknown,
    Created,
    Edited
}
