const mongoose = require('../infrastructure/Mongoose')
const _ = require('underscore')
const { FolderSchema } = require('./Folder')
const Errors = require('../Features/Errors/Errors')

const concreteObjectId = mongoose.Types.ObjectId
const { Schema } = mongoose
const { ObjectId } = Schema

const DeletedDocSchema = new Schema({
  name: String,
  deletedAt: { type: Date },
})

const DeletedFileSchema = new Schema({
  name: String,
  created: {
    type: Date,
  },
  linkedFileData: { type: Schema.Types.Mixed },
  hash: {
    type: String,
  },
  deletedAt: { type: Date },
})

const ProjectSchema = new Schema(
  {
    name: { type: String, default: 'new project' },
    lastUpdated: {
      type: Date,
      default() {
        return new Date()
      },
    },
    lastUpdatedBy: { type: ObjectId, ref: 'User' },
    lastOpened: { type: Date },
    active: { type: Boolean, default: true },
    owner_ref: { type: ObjectId, ref: 'User' },
    collaberator_refs: [{ type: ObjectId, ref: 'User' }],
    readOnly_refs: [{ type: ObjectId, ref: 'User' }],
    rootDoc_id: { type: ObjectId },
    rootFolder: [FolderSchema],
    version: { type: Number }, // incremented for every change in the project structure (folders and filenames)
    publicAccesLevel: { type: String, default: 'private' },
    compiler: { type: String, default: 'pdflatex' },
    spellCheckLanguage: { type: String, default: 'en' },
    deletedByExternalDataSource: { type: Boolean, default: false },
    description: { type: String, default: '' },
    archived: { type: Schema.Types.Mixed },
    trashed: [{ type: ObjectId, ref: 'User' }],
    deletedDocs: [DeletedDocSchema],
    deletedFiles: [DeletedFileSchema],
    imageName: { type: String },
    brandVariationId: { type: String },
    track_changes: { type: Object },
    tokens: {
      readOnly: {
        type: String,
        index: {
          unique: true,
          partialFilterExpression: { 'tokens.readOnly': { $exists: true } },
        },
      },
      readAndWrite: {
        type: String,
        index: {
          unique: true,
          partialFilterExpression: { 'tokens.readAndWrite': { $exists: true } },
        },
      },
      readAndWritePrefix: {
        type: String,
        index: {
          unique: true,
          partialFilterExpression: {
            'tokens.readAndWritePrefix': { $exists: true },
          },
        },
      },
    },
    tokenAccessReadOnly_refs: [{ type: ObjectId, ref: 'User' }],
    tokenAccessReadAndWrite_refs: [{ type: ObjectId, ref: 'User' }],
    fromV1TemplateId: { type: Number },
    fromV1TemplateVersionId: { type: Number },
    overleaf: {
      id: { type: Number },
      imported_at_ver_id: { type: Number },
      token: { type: String },
      read_token: { type: String },
      history: {
        id: { type: Schema.Types.Mixed },
        display: { type: Boolean },
        upgradedAt: { type: Date },
        allowDowngrade: { type: Boolean },
        zipFileArchivedInProject: { type: Boolean },
      },
    },
    collabratecUsers: [
      {
        user_id: { type: ObjectId, ref: 'User' },
        collabratec_document_id: { type: String },
        collabratec_privategroup_id: { type: String },
        added_at: {
          type: Date,
          default() {
            return new Date()
          },
        },
      },
    ],
    deferredTpdsFlushCounter: { type: Number },
  },
  { minimize: false }
)

ProjectSchema.statics.getProject = function (projectOrId, fields, callback) {
  if (projectOrId._id != null) {
    callback(null, projectOrId)
  } else {
    try {
      concreteObjectId(projectOrId.toString())
    } catch (e) {
      return callback(new Errors.NotFoundError(e.message))
    }
    this.findById(projectOrId, fields, callback)
  }
}

function applyToAllFilesRecursivly(folder, fun) {
  _.each(folder.fileRefs, file => fun(file))
  _.each(folder.folders, folder => applyToAllFilesRecursivly(folder, fun))
}
ProjectSchema.statics.applyToAllFilesRecursivly = applyToAllFilesRecursivly

exports.Project = mongoose.model('Project', ProjectSchema)
exports.ProjectSchema = ProjectSchema