mongoose = require "mongoose"
server = require "../server"
connectionDefault = server.connectionDefault
Schema = mongoose.Schema

# Request Schema definition
RequestDef =
  "host":         String
  "port":         String
  "path" :        String
  "headers":      Object
  "querystring":  String
  "body":         String
  "method":       String
  "timestamp":    type: Date, required: true

# Response Schema definition
ResponseDef =
  "status" :    Number
  "headers":    Object
  "body":       String
  "timestamp":  Date

ErrorDetailsDef =
  "message": String
  "stack":   String

# OrchestrationMetadata Schema
OrchestrationMetadataDef =
  "name" :      type: String, required: true
  "group" :     String
  "request":    type: RequestDef, required: false # this is needed to prevent Validation error, see https://github.com/jembi/openhim-console/issues/356#issuecomment-188708443
  "response":   ResponseDef
  "error":      ErrorDetailsDef

# Route Schema
RouteMetadataDef =
  "name" :          type: String, required: true
  "request":        RequestDef
  "response":       ResponseDef
  "orchestrations": [OrchestrationMetadataDef]
  "properties":     Object
  "error":          ErrorDetailsDef

# Trasnaction schema
TransactionSchema = new Schema
  "clientID":           Schema.Types.ObjectId
  "clientIP":           String
  "parentID":           Schema.Types.ObjectId
  "childIDs":           [Schema.Types.ObjectId]
  "channelID":          type: Schema.Types.ObjectId, index: true
  "request":            RequestDef
  "response":           ResponseDef
  "routes":             [RouteMetadataDef]
  "orchestrations":     [OrchestrationMetadataDef]
  "properties":         Object
  "canRerun":           type: Boolean, default: true
  "autoRetry":          type: Boolean, default: false # auto rerun this transaction (e.g. if error'd)
  "autoRetryAttempt":   Number
  "wasRerun":           type: Boolean, default: false
  "error":              ErrorDetailsDef
  "status":
    type:     String
    required: true
    index:    true
    enum:     ['Processing', 'Failed', 'Completed', 'Successful', 'Completed with error(s)']

TransactionSchema.index "request.timestamp"

# Compile schema into Model
exports.Transaction = connectionDefault.model 'Transaction', TransactionSchema