package com.lemans.ds.media

import com.lemans.services.Auditable
import groovy.transform.ToString

@ToString(includeNames = true)
class Media extends Auditable {

    static final Integer DS_SOURCE = 0

    static final String NOT_CLIENT_SETTABLE = 'not.clientSettable'

    Integer id

    Integer mediaTypeId

    Integer mimeTypeId

    Integer mediaClassificationId

    Integer source = DS_SOURCE

    String fileName = UUID.randomUUID()

    String mediaUrl

    String originalFileName

    String extension

    String title

    String description

    Date effectiveDate

    Integer languageId

    static constraints = {
        mimeTypeId nullable: true
        fileName nullable: true, maxSize: 250, validator: { value, Media media, errors ->
            if (media.originalFileName && !value) { rejectBlankField('fileName', errors) }
        }
        mediaUrl blank: false, maxSize: 255
        originalFileName maxSize: 250, validator: { value, Media media, errors ->
            if (media.extension && !value) { rejectBlankField('originalFileName', errors) }
        }
        // NOTE: extension is effectively required for Media Files but not Links - i.e. it's needed for file location
        extension nullable: true, maxSize: 7

        description nullable: true, maxSize: 100
        title nullable: true, maxSize: 100
        effectiveDate nullable: true
        mediaClassificationId nullable: true
        languageId nullable: true
    }

    static mapping = {
        table 'Media'
        id column: 'mediaId'
        mediaTypeId updateable: true
        mimeTypeId updateable: true
        source updateable: false
        mediaUrl updateable: true
        fileName updateable: true
        originalFileName updateable: true
        extension updateable: true
        title updateable: true
    }

    private static void rejectBlankField(String field, errors) {
        errors.rejectValue(field, 'blank', [field] as Object[], '{0} is required')
    }

    private static final Map IMMUTABLE_PROPERTIES = [
        mediaUrl: 'Media Url',
        fileName: 'File Name',
        source: 'Source'
    ].asImmutable()

    @Override
    protected Map immutables() {
        Media.IMMUTABLE_PROPERTIES
    }
}