// Copyright (c) Microsoft Corporation.
// Licensed under the MIT License.

using System.Diagnostics.CodeAnalysis;
using System.IO.Abstractions.TestingHelpers;
using Bicep.Core.Analyzers.Linter.Rules;
using Bicep.Core.UnitTests;
using Bicep.Core.UnitTests.FileSystem;
using Bicep.IO.FileSystem;
using Bicep.LangServer.IntegrationTests.Assertions;
using Bicep.LangServer.IntegrationTests.Helpers;
using Bicep.Testing.IO;
using FluentAssertions;
using Microsoft.VisualStudio.TestTools.UnitTesting;
using OmniSharp.Extensions.LanguageServer.Protocol;
using OmniSharp.Extensions.LanguageServer.Protocol.Document;
using OmniSharp.Extensions.LanguageServer.Protocol.Models;

namespace Bicep.LangServer.IntegrationTests
{
    [TestClass]
    public class TextDocumentSyncTests
    {
        [NotNull]
        public TestContext? TestContext { get; set; }

        [DataTestMethod]
        [DataRow("/template.bicep")]
        [DataRow("untitled:Untitled-1")]
        public async Task DidOpenTextDocument_should_trigger_PublishDiagnostics(string uri)
        {
            var diagsListener = new MultipleMessageListener<PublishDiagnosticsParams>();
            var documentUri = DocumentUri.From(uri);

            using var helper = await LanguageServerHelper.StartServer(
                this.TestContext,
                options => options.OnPublishDiagnostics(diagsListener.AddMessage));
            var client = helper.Client;

            // open document
            client.TextDocument.DidOpenTextDocument(TextDocumentParamHelper.CreateDidOpenDocumentParams(documentUri, @"
param myParam string = 2
resource myRes 'invalidFormat' = {

}
randomToken
", 1));

            var response = await diagsListener.WaitNext();
            response.Diagnostics.Should().SatisfyRespectively(
                d =>
                {
                    d.Range.Should().HaveRange((1, 6), (1, 13));
                    d.Should().HaveCodeAndSeverity(NoUnusedParametersRule.Code, DiagnosticSeverity.Warning)
                        .And.HaveDocumentationUrl(new NoUnusedParametersRule().Uri!);
                },
                d =>
                {
                    d.Range.Should().HaveRange((1, 23), (1, 24));
                    d.Should().HaveCodeAndSeverity("BCP033", DiagnosticSeverity.Error);
                },
                d =>
                {
                    d.Range.Should().HaveRange((2, 15), (2, 30));
                    d.Should().HaveCodeAndSeverity("BCP029", DiagnosticSeverity.Error);
                },
                d =>
                {
                    d.Range.Should().HaveRange((5, 0), (5, 11));
                    d.Should().HaveCodeAndSeverity("BCP007", DiagnosticSeverity.Error);
                }
            );

            // change document
            client.TextDocument.DidChangeTextDocument(TextDocumentParamHelper.CreateDidChangeTextDocumentParams(documentUri, @"
param myParam string = 'fixed!'
resource myRes 'invalidFormat' = {

}
randomToken
", 2));

            response = await diagsListener.WaitNext();
            response.Diagnostics.Should().SatisfyRespectively(
                d =>
                {
                    d.Range.Should().HaveRange((1, 6), (1, 13));
                    // documentation provided with linter sets code to uri for pretty link print outs
                    d.Should().HaveCodeAndSeverity(NoUnusedParametersRule.Code, DiagnosticSeverity.Warning);
                },
                d =>
                {
                    d.Range.Should().HaveRange((2, 15), (2, 30));
                    d.Should().HaveCodeAndSeverity("BCP029", DiagnosticSeverity.Error);
                },
                d =>
                {
                    d.Range.Should().HaveRange((5, 0), (5, 11));
                    d.Should().HaveCodeAndSeverity("BCP007", DiagnosticSeverity.Error);
                }
            );

            // close document
            client.TextDocument.DidCloseTextDocument(TextDocumentParamHelper.CreateDidCloseTextDocumentParams(documentUri, 3));

            response = await diagsListener.WaitNext();
            response.Diagnostics.Should().BeEmpty();
        }

        [TestMethod]
        public async Task Module_resolution_works_for_file_paths_containing_escaped_spaces()
        {
            var diagsListener = new MultipleMessageListener<PublishDiagnosticsParams>();
            var entryPointUri2 = new Uri("file:///src/demo%2520repo/main.bicep");

            var entryPointPath = "/src/demo%2520repo/main.bicep";
            var entryPointContent = """
                module asf './storage-account.bicep' = {
                  name: 'asf'
                }
                """;
            var fileSet = new MockFileSystemTestFileSet().AddFiles(
                (entryPointPath, entryPointContent),
                ("src/demo%2520repo/storage-account.bicep", ""));

            using var helper = await LanguageServerHelper.StartServer(
                this.TestContext,
                options => options.OnPublishDiagnostics(diagsListener.AddMessage),
                services => services.WithFileExplorer(fileSet.FileExplorer));
            var client = helper.Client;

            // open document
            var entryPointUri = fileSet.GetUri(entryPointPath);
            client.TextDocument.DidOpenTextDocument(TextDocumentParamHelper.CreateDidOpenDocumentParams(entryPointUri.ToString(), entryPointContent, 1));

            var diagnostics = await diagsListener.WaitNext();
            diagnostics.Diagnostics.Should().BeEmpty();
        }
    }
}
