using Dapper;
using JdeScoping.Database.Tests.Infrastructure;
using Shouldly;

namespace JdeScoping.Database.Tests.Procedures;

/// <summary>
/// Tests to verify that all required stored procedures exist in the database.
/// These tests ensure the migration scripts properly create all expected procedures.
/// </summary>
[Collection("DatabaseTests")]
public class StoredProcedureExistsTests : DatabaseTestBase
{
    /// <summary>
    /// Verifies that a stored procedure exists in the database.
    /// </summary>
    private async Task<bool> ProcedureExistsAsync(string procedureName)
    {
        var result = await Connection.QuerySingleOrDefaultAsync<int>(
            @"SELECT COUNT(*)
              FROM sys.procedures
              WHERE name = @Name AND schema_id = SCHEMA_ID('dbo')",
            new { Name = procedureName });
        return result > 0;
    }

    [Fact]
    public async Task usp_SubmitSearch_Exists()
    {
        var exists = await ProcedureExistsAsync("usp_SubmitSearch");
        exists.ShouldBeTrue("usp_SubmitSearch should be created by migration 040");
    }

    [Fact]
    public async Task usp_StartSearch_Exists()
    {
        var exists = await ProcedureExistsAsync("usp_StartSearch");
        exists.ShouldBeTrue("usp_StartSearch should be created by migration 041");
    }

    [Fact]
    public async Task usp_CompleteSearch_Exists()
    {
        var exists = await ProcedureExistsAsync("usp_CompleteSearch");
        exists.ShouldBeTrue("usp_CompleteSearch should be created by migration 042");
    }

    [Fact]
    public async Task usp_ResetPartialSearches_Exists()
    {
        var exists = await ProcedureExistsAsync("usp_ResetPartialSearches");
        exists.ShouldBeTrue("usp_ResetPartialSearches should be created by migration 043");
    }

    [Fact]
    public async Task usp_ValidateSearchCriteria_Exists()
    {
        var exists = await ProcedureExistsAsync("usp_ValidateSearchCriteria");
        exists.ShouldBeTrue("usp_ValidateSearchCriteria should be created by migration 048");
    }

    [Fact]
    public async Task usp_ProcessMisStagingData_Exists()
    {
        var exists = await ProcedureExistsAsync("usp_ProcessMisStagingData");
        exists.ShouldBeTrue("usp_ProcessMisStagingData should be created by migration 049");
    }

    [Fact]
    public async Task AllStoredProcedures_HaveExpectedCount()
    {
        // This test ensures we haven't accidentally dropped any procedures
        var expectedProcedures = new[]
        {
            "usp_SubmitSearch",
            "usp_StartSearch",
            "usp_CompleteSearch",
            "usp_ResetPartialSearches",
            "usp_ValidateSearchCriteria",
            "usp_ProcessMisStagingData"
        };

        var actualCount = await Connection.QuerySingleAsync<int>(
            @"SELECT COUNT(*)
              FROM sys.procedures
              WHERE schema_id = SCHEMA_ID('dbo')
                AND name LIKE 'usp_%'");

        actualCount.ShouldBeGreaterThanOrEqualTo(
            expectedProcedures.Length,
            $"Database should have at least {expectedProcedures.Length} stored procedures");
    }
}