@using System.Text.Json.Serialization.Metadata
@using Rms.Risk.Mango.Language
@using JsonSerializerOptions = System.Text.Json.JsonSerializerOptions

@*
 *                                dbMango
 *
 * Copyright 2025 Deutsche Bank AG
 * SPDX-License-Identifier: Apache-2.0
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *@

<table class="@Class">

    <style>
        .CodeMirror {
            height: 250px;
            width: 600px;
            resize: vertical;
        }
    </style>
    <thead>
    <tr>
        <td>Aggregation for Humans</td>
        <td>MongoDB Aggregation</td>
    </tr>
    </thead>
    <tbody>
    <tr>
        <td class="align-top">
            <FormCodeEditor @bind-Text="Text" MediaType="text/x-afh" Class="" Readonly="true"/>
        </td>
        <td class="align-top">
            <FormCodeEditor @bind-Text="Json" MediaType="application/json" Class="" Readonly="true"/>
        </td>
    </tr>
    </tbody>
</table>

@code {
    [Parameter] public string Class { get; set; } = "";
    [Parameter] public string Text  { get; set; } = "";
    private            string Json  { get; set; } = "";

    private static readonly JsonSerializerOptions _prettyPrint = new()
        {
            WriteIndented    = true,
            TypeInfoResolver = new DefaultJsonTypeInfoResolver()
        };

    protected override void OnParametersSet()
    {
        if (!string.IsNullOrWhiteSpace(Text))
        {
            try
            {
                var ast = LanguageParser.ParseScriptToAST($"FROM \"<coll-name>\" PIPELINE {{ {Text} }}");
                Json = ast.AsJson()!.ToJsonString(_prettyPrint);
            }
            catch (Exception e)
            {
                Json = e.ToString();
            }
        }
    }

}
