@namespace Oqtane.Modules.Admin.Sql
@inherits ModuleBase
@inject NavigationManager NavigationManager
@inject ITenantService TenantService
@inject ISqlService SqlService

@if (_tenants == null)
{
    <p><em>Loading...</em></p>
}
else
{
    <table class="table table-borderless">
        <tr>
            <td>
                <Label For="tenant" HelpText="Select the tenant for the SQL server">Tenant: </Label>
            </td>
            <td>
                <select id="teneant" class="form-control" @bind="_tenantid">
                    <option value="-1">&lt;Select Tenant&gt;</option>
                    @foreach (Tenant tenant in _tenants)
                    {
                        <option value="@tenant.TenantId">@tenant.Name</option>
                    }
                </select>
            </td>
        </tr>
        <tr>
            <td>
                <Label For="sqlQeury" HelpText="Enter the query for the SQL server">SQL Query: </Label>
            </td>
            <td>
                <textarea id="sqlQeury" class="form-control" @bind="@_sql" rows="5"></textarea>
            </td>
        </tr>
    </table>
    <button type="button" class="btn btn-success" @onclick="Execute">Execute</button>
    <br /><br />
    @if (!string.IsNullOrEmpty(_results))
    {
        @((MarkupString)_results)
    }
}

@code {
    private List<Tenant> _tenants;
    private string _tenantid = "-1";
    private string _sql = string.Empty;
    private string _results = string.Empty;

    public override SecurityAccessLevel SecurityAccessLevel => SecurityAccessLevel.Host;

    protected override async Task OnInitializedAsync()
    {
        _tenants = await TenantService.GetTenantsAsync();
    }

    private async Task Execute()
    {
        if (_tenantid != "-1" && !string.IsNullOrEmpty(_sql))
        {
            var sqlquery = new SqlQuery { TenantId = int.Parse(_tenantid), Query = _sql };
            sqlquery = await SqlService.ExecuteQueryAsync(sqlquery);
            _results = DisplayResults(sqlquery.Results);
        }
        else
        {
            AddModuleMessage("You Must Select A Tenant And Provide A SQL Query", MessageType.Warning);
        }
    }

    private string DisplayResults(List<Dictionary<string, string>> results)
    {
        var table = string.Empty;
        foreach (Dictionary<string, string> item in results)
        {
            if (table == string.Empty)
            {
                table = "<div class=\"table-responsive\">";
                table += "<table class=\"table table-bordered\"><thead><tr>";
                
                foreach (KeyValuePair<string, string> kvp in item)
                {
                    table += "<th scope=\"col\">" + kvp.Key + "</th>";
                }
                
                table += "</tr></thead><tbody>";
            }
            
            table += "<tr>";
            
            foreach (KeyValuePair<string, string> kvp in item)
            {
                table += "<td>" + kvp.Value + "</td>";
            }
            
            table += "</tr>";
        }
        
        if (table != string.Empty)
        {
            table += "</tbody></table></div>";
        }
        else
        {
            table = "No Results Returned";
        }
        
        return table;
    }
}