import { MemoryLevel } from 'memory-level';
import {
  Database,
  FilesystemBridge,
  buildSchema,
  resolve
} from '@tinacms/graphql';
import {
  Schema
} from '@tinacms/schema-tools';

const dir = 'content';

// Where to source content from
const bridge = new FilesystemBridge(dir);
// Where to store the index data
const indexStorage = new MemoryLevel<string, Record<string, string>>();

// Create the schema/structure of the database
const rawSchema: Schema = {
  collections: [
    {
      name: 'post',
      path: '', // Don't require content to be placed within a subdirectory
      fields: [
        {
          type: 'string',
          name: 'title',
          isTitle: true,
          required: true
        }
      ]
    }
  ]
};
const schema = await buildSchema({
  schema: rawSchema,
  build: {
    publicFolder: '',
    outputFolder: ''
  }
});

// Create the object for editing and querying your repository
const database = new Database({
  bridge,
  level: indexStorage,
  tinaDirectory: 'tina'
});

// Generate the index data required to support querying
await database.indexContent(schema)

// Query the database and output the result
// In this case, it will retrieve the title of the post 'in.md'
const graphQLQuery = `
query {
  document(collection: "post", relativePath: "in.md") {
    ...on Document {
      _values,
      _sys { title }
    }
  }
}
`
const result = await resolve({
  database,
  query: graphQLQuery,
  variables: {}
});

// Output the result
console.log(JSON.stringify(result))