import mongoose, { Schema } from 'mongoose';
import type { IMessage } from '~/types/message';

const messageSchema: Schema<IMessage> = new Schema(
  {
    messageId: {
      type: String,
      unique: true,
      required: true,
      index: true,
      meiliIndex: true,
    },
    conversationId: {
      type: String,
      index: true,
      required: true,
      meiliIndex: true,
    },
    user: {
      type: String,
      index: true,
      required: true,
      default: null,
      meiliIndex: true,
    },
    model: {
      type: String,
      default: null,
    },
    endpoint: {
      type: String,
    },
    conversationSignature: {
      type: String,
    },
    clientId: {
      type: String,
    },
    invocationId: {
      type: Number,
    },
    parentMessageId: {
      type: String,
    },
    tokenCount: {
      type: Number,
    },
    summaryTokenCount: {
      type: Number,
    },
    sender: {
      type: String,
      meiliIndex: true,
    },
    text: {
      type: String,
      meiliIndex: true,
    },
    summary: {
      type: String,
    },
    isCreatedByUser: {
      type: Boolean,
      required: true,
      default: false,
    },
    unfinished: {
      type: Boolean,
      default: false,
    },
    error: {
      type: Boolean,
      default: false,
    },
    finish_reason: {
      type: String,
    },
    feedback: {
      type: {
        rating: {
          type: String,
          enum: ['thumbsUp', 'thumbsDown'],
          required: true,
        },
        tag: {
          type: mongoose.Schema.Types.Mixed,
          required: false,
        },
        text: {
          type: String,
          required: false,
        },
      },
      default: undefined,
      required: false,
    },
    _meiliIndex: {
      type: Boolean,
      required: false,
      select: false,
      default: false,
    },
    files: { type: [{ type: mongoose.Schema.Types.Mixed }], default: undefined },
    content: {
      type: [{ type: mongoose.Schema.Types.Mixed }],
      default: undefined,
      meiliIndex: true,
    },
    thread_id: {
      type: String,
    },
    /* frontend components */
    iconURL: {
      type: String,
    },
    metadata: { type: mongoose.Schema.Types.Mixed },
    attachments: { type: [{ type: mongoose.Schema.Types.Mixed }], default: undefined },
    /*
    attachments: {
      type: [
        {
          file_id: String,
          filename: String,
          filepath: String,
          expiresAt: Date,
          width: Number,
          height: Number,
          type: String,
          conversationId: String,
          messageId: {
            type: String,
            required: true,
          },
          toolCallId: String,
        },
      ],
      default: undefined,
    },
    */
    expiredAt: {
      type: Date,
    },
    addedConvo: {
      type: Boolean,
      default: undefined,
    },
  },
  { timestamps: true },
);

messageSchema.index({ expiredAt: 1 }, { expireAfterSeconds: 0 });
messageSchema.index({ createdAt: 1 });
messageSchema.index({ messageId: 1, user: 1 }, { unique: true });

// index for MeiliSearch sync operations
messageSchema.index({ _meiliIndex: 1, expiredAt: 1 });

export default messageSchema;
