using LCU.API.Internal.Operations.IncentiveApi.Configuration;
using LCU.API.Internal.Operations.IncentiveApi.DataAccess;
using LCU.Library.Internal.IncentiveApiModels.Entities;
using LCU.API.Internal.Operations.IncentiveApi.Models.Dayforce;
using LCU.API.Internal.Operations.IncentiveApi.Models.GoalDispersal;
using LCU.API.Internal.Operations.IncentiveApiLib.Services;
using LCU.API.Internal.NotificationsApiLib.Models;

namespace LCU.API.Internal.Operations.IncentiveApi.Services.MicroApiServices;

public class NotificationApiService : INotificationApiService
{
    private readonly EmailRecipientsConfiguration _emailRecipientsConfig;
    private readonly INotificationApiDao _notificationsDao;
    private readonly ApiConfiguration _incentiveApiConfig;

    public NotificationApiService(EmailRecipientsConfiguration emailRecipientsConfig, ApiConfiguration incentiveApiConfig, INotificationApiDao notificationsDao,
       IUserService userService)
    {
        _emailRecipientsConfig = emailRecipientsConfig;
        _notificationsDao = notificationsDao;
        _incentiveApiConfig = incentiveApiConfig;
    }

    public async Task SendMonthStartGoalDispersalReceipt(Dictionary<string, GoalDispersalReceipt> receipts, List<string> recipients)
    {
        try
        {
            #region Body HTML Boilerplate

                string body =
                        @"<style>
	                            .report {
		                            border:1px solid #C0C0C0;
		                            border-collapse:collapse;
		                            padding:5px;
	                            }
	                            .report th {
		                            border:1px solid #C0C0C0;
		                            padding:5px;
		                            background:#F0F0F0;
	                            }
	                            .report td {
		                            border:1px solid #C0C0C0;
		                            padding:5px;
	                            }
                            </style>
                            <table class='report'>
                            <tbody>
                            <tr>
		                        <td><h3>Department</h3></td>
		                        <td><h3>Strategy</h3></td>
		                        <td><h3>Alerts</h3></td>
	                        </tr>";

            #endregion

            foreach (var (departmentName, receipt) in receipts)
            {
                if (receipt == null)
                {
                    body += $@"
                                <tr>
		                            <td><b>{departmentName}</b></td>
		                            <td>&nbsp;<i>FAILED</i></td>
		                            <td>&nbsp;No Receipt Data, Failed to Run Dispersal.</td>
	                            </tr>";
                }
                else if (receipt.GoalDispersalErrors.Any())
                {
                     body += $@"
                                <tr>
		                            <td><b>{departmentName}</b></td>
		                            <td>&nbsp;<i>{receipt.Strategy}</i></td>
		                            <td>&nbsp;{FormatReceiptItems(receipt.GoalDispersalErrors)}</td>
	                            </tr>";
                }
            }

            body += @"</tbody> </table>";
                      
            var emailRequest = new EmailRequest
            {
                Recipient = recipients,
                Subject = "Month Start Personnel Dispersal Report",
                Body = body
            };

            await _notificationsDao.SendMessageAsync(emailRequest);
        }
        catch (Exception ex)
        {
            Log.Error(ex, "Failed to Send Month Start Dispersal Report");
        }
    }

    public async Task SendMissingRoleNotification(IEnumerable<AppUser> usersMissingRole, List<string> recipients)
    {
        try
        {
            #region Body HTML Boilerplate

            string body =
                    @"<style>
	                        .report {
		                        border:1px solid #C0C0C0;
		                        border-collapse:collapse;
		                        padding:5px;
	                        }
	                        .report th {
		                        border:1px solid #C0C0C0;
		                        padding:5px;
		                        background:#F0F0F0;
	                        }
	                        .report td {
		                        border:1px solid #C0C0C0;
		                        padding:5px;
	                        }
                        </style>
                        <table class='report'>
                        <tbody>
                        <tr>
		                    <td><h3>Name</h3></td>
		                    <td><h3>Employee ID</h3></td>
		                    <td><h3>Department</h3></td>
		                    <td><h3>Missing Role</h3></td>
	                    </tr>";

            #endregion

            foreach (var user in usersMissingRole)
            {
                body += $@"
                    <tr>
		                <td>{user.FullName}</td>
		                <td>{user.EmployeeId}</td>
		                <td>{user.HomeDepartment}</td>
		                <td>{user.BaseRole}</td>
	                </tr>";
            }
            body += @"</tbody> </table>";

            var emailRequest = new EmailRequest
            {
                Recipient = recipients,
                Subject = $"Users missing Dayforce role",
                Body = body
            };

            await _notificationsDao.SendMessageAsync(emailRequest);
        }
        catch (Exception ex)
        {
            Log.Error(ex, "Failed to send missing role notification");
        }
    }

    public async Task SendTerminatedEmployeeNotification(IEnumerable<TerminatedEmployeeReceipt> terminated, List<string> recipients)
    {
        try
        {
            #region Body HTML Boilerplate

            string body =
                    @"<style>
	                        .report {
		                        border:1px solid #C0C0C0;
		                        border-collapse:collapse;
		                        padding:5px;
	                        }
	                        .report th {
		                        border:1px solid #C0C0C0;
		                        padding:5px;
		                        background:#F0F0F0;
	                        }
	                        .report td {
		                        border:1px solid #C0C0C0;
		                        padding:5px;
	                        }
                        </style>
                        <table class='report'>
                        <tbody>
                        <tr>
		                    <td><h3>Name</h3></td>
		                    <td><h3>Employee ID</h3></td>
		                    <td><h3>Department</h3></td>
		                    <td><h3>Terminated</h3></td>
		                    <td><h3>Manager</h3></td>
		                    <td><h3>Prev Month Payout</h3></td>
		                    <td><h3>This Month Payout</h3></td>
	                    </tr>";

            #endregion

            foreach (var receipt in terminated)
            {
                var manager = receipt.Manager != null ? receipt.Manager.FullName : "Not Found";
                body += $@"
                    <tr>
		                <td>{receipt.Terminated.FullName}</td>
		                <td>{receipt.Terminated.EmployeeId}</td>
		                <td>{receipt.Terminated.HomeDepartment}</td>
		                <td>{receipt.Terminated.Terminated.Value:MM/dd/yyyy}</td>
		                <td>{manager}</td>
		                <td>${receipt.LastMonthPayout.PayoutTotal}.00</td>
		                <td>${receipt.ThisMonthPayout.PayoutTotal}.00</td>
	                </tr>";
            }
            body += @"</tbody> </table>";

            var emailRequest = new EmailRequest
            {
                Recipient = recipients,
                Subject = $"Users terminated in Dayforce",
                Body = body
            };

            await _notificationsDao.SendMessageAsync(emailRequest);
        }
        catch (Exception ex)
        {
            Log.Error(ex, "Failed to send terminated employee notification");
        }
    }

    private string FormatReceiptItems(List<GoalDispersalReceiptItem> receiptErrors)
    {
        string orderedList = @"<ol>";
        foreach (var error in receiptErrors)
        {
            orderedList += $@"<li> <b>{error.EmployeeName}</b> - {error.EmployeeId}: {error.Message}<br><br></li>";
        }
        orderedList += @"</ol>";
        return orderedList;
    }

    public async Task SendTransferRequestInitiatedNotification(ActivityTransferAction transferAction,
        List<string> recipients)
    {
        try
        {
            #region Body HTML Boilerplate

            string body =
                    @"<style>
	                        .report {
		                        border:1px solid #C0C0C0;
		                        border-collapse:collapse;
		                        padding:5px;
	                        }
	                        .report th {
		                        border:1px solid #C0C0C0;
		                        padding:5px;
		                        background:#F0F0F0;
	                        }
	                        .report td {
		                        border:1px solid #C0C0C0;
		                        padding:5px;
	                        }
                        </style>";

            #endregion

            body += @"
                    <p>A transfer request has been initiated for the following activity:</p>
                    <table class='report'>
                    <tbody>
                    <tr>
                        <td><h3>Product</h3></td>
                        <td><h3>Activity Type</h3></td>
		                <td><h3>Requested by</h3></td>
		                <td><h3>Transfer to Employee</h3></td>
		                <td><h3>Transfer to Department</h3></td>
	                </tr>";

                    body += $@"
                    <tr>
                        <td>{transferAction.RequestedActivity.Product}</td>
                        <td>{transferAction.RequestedActivity.Type}</td>
		                <td>{transferAction.CreatedBy}</td>
		                <td>{transferAction.NewActivityEmployeeId}</td>
                        <td>{transferAction.NewActivityDepartmentId}</td>
	                </tr>
                    </tbody>
                    </table>";
            var webAppUrl = $@"{_incentiveApiConfig.IncentiveManagerClientUrl}/activity/{transferAction.RequestedActivityId}";
            body += $@"
                    <p>
                        The request can be approved at <a href='{webAppUrl}'>{webAppUrl}</a>.
                    </p>";

            if (_emailRecipientsConfig.OverrideRecipients)
            {
                body += $"<p>The original recipients have been overriden in this environment: {string.Join(", ", recipients)}</p>";
                recipients = _emailRecipientsConfig.TransferRequestInitiatedNotification;
            }

            var emailRequest = new EmailRequest
            {
                Recipient = recipients,
                Subject = "Activity transfer request initiated",
                Body = body
            };

            await _notificationsDao.SendMessageAsync(emailRequest);
        }
        catch (Exception ex)
        {
            Log.Error(ex, "Failed to send transfer request initiated notification");
        }
    }
}