using System;
using System.Collections.Generic;
using System.IO;

using Fab2ApprovalSystem.DMO;
using Fab2ApprovalSystem.Models;

namespace Fab2ApprovalSystem.Misc;

public class CorrectiveActionHelper {

    public static void ProcessCARDueDates(AppSettings appSettings, CAD3D5D7Due dueCA, CorrectiveAction ca, LoginModel user) {
        string[] emailparams = new string[7];
        string emailTemplate = "D3D5D7Due.txt";
        string senderName = "CorrectiveAction";
        string subject = "Corrective Action " + dueCA.ItemDue + " " + dueCA.ExpiryType + " - " + Functions.ReturnCANoStringFormat(dueCA.CANo);
        emailparams[0] = Functions.ReturnCANoStringFormat(dueCA.CANo);
        emailparams[1] = dueCA.CANo.ToString();
        emailparams[2] = GlobalVars.hostURL;
        emailparams[3] = dueCA.ExpiryType;
        emailparams[4] = dueCA.ItemDue;
        if (ca.D3DueDate != null) {
            emailparams[5] = ca.D3DueDate is null ? string.Empty : ca.D3DueDate.Value.ToString();
        } else {
            emailparams[5] = "N/A";
        }
        if (ca.D5D7DueDate != null) {
            emailparams[6] = ca.D5D7DueDate is null ? string.Empty : ca.D5D7DueDate.Value.ToString();
        } else {
            emailparams[6] = "N/A";
        }

        EmailNotification en = new(appSettings, subject);
        en.SendNotificationEmail(emailTemplate, GlobalVars.SENDER_EMAIL, senderName, user.Email, "jonathan.ouellette@infineon.com", subject, emailparams);
    }

    public static void NotifyUsersDSectionApproved(AppSettings appSettings, int issueID, string dSection, string userEmail) {
        string senderName = "CorrectiveAction";
        string emailTemplate = "CorrectiveActionSectionApproved.txt";
        string subject = "Corrective Action Section Approval - " + Functions.ReturnCANoStringFormat(issueID);

        EmailNotification en = new(appSettings, subject);
        string[] emailparams = new string[4];
        emailparams[0] = Functions.ReturnCANoStringFormat(issueID);
        emailparams[1] = issueID.ToString();
        emailparams[2] = GlobalVars.hostURL;
        emailparams[3] = dSection;

        en.SendNotificationEmail(emailTemplate, GlobalVars.SENDER_EMAIL, senderName, userEmail, null, subject, emailparams);
    }

    public static void NotifyForD5D6D7Validation(AppSettings appSettings, int issueID, string dSection, string userEmail) {
        string senderName = "CorrectiveAction";
        string emailTemplate = "CorrectiveActionSectionApproved.txt";
        string subject = "Corrective Action Section Approval - " + Functions.ReturnCANoStringFormat(issueID);

        EmailNotification en = new(appSettings, subject);
        string[] emailparams = new string[4];
        emailparams[0] = Functions.ReturnCANoStringFormat(issueID);
        emailparams[1] = issueID.ToString();
        emailparams[2] = GlobalVars.hostURL;
        emailparams[3] = dSection;

        en.SendNotificationEmail(emailTemplate, GlobalVars.SENDER_EMAIL, senderName, userEmail, null, subject, emailparams);
    }

    public static void NotifySectionRejection(AppSettings appSettings, int issueID, int loggedInUserId, string section, string comment, LoginModel recipient, LoginModel loggedInUser) {
        string senderName = "CorrectiveAction";
        string recipientEmail = recipient.Email;
        string emailTemplate = "CorrectiveActionSectionRejection.txt";
        string subject = "Corrective Action Rejection - " + Functions.ReturnCANoStringFormat(issueID);

        EmailNotification en = new(appSettings, subject);
        string[] emailparams = new string[6];
        emailparams[0] = Functions.ReturnCANoStringFormat(issueID);
        emailparams[1] = issueID.ToString();
        emailparams[2] = GlobalVars.hostURL;
        emailparams[3] = section;
        emailparams[4] = loggedInUser.FirstName + " " + loggedInUser.LastName;
        emailparams[5] = comment;

        en.SendNotificationEmail(emailTemplate, GlobalVars.SENDER_EMAIL, senderName, recipientEmail, null, subject, emailparams);
    }

    public static void NotifySectionRejection(AppSettings appSettings, int issueID, string section, string comment, LoginModel recipient, LoginModel loggedInUser) {
        string senderName = "CorrectiveAction";
        string recipientEmail = recipient.Email;
        string emailTemplate = "CorrectiveActionSectionRejection.txt";
        string subject = "Corrective Action Rejection - " + Functions.ReturnCANoStringFormat(issueID);

        EmailNotification en = new(appSettings, subject);
        string[] emailparams = new string[6];
        emailparams[0] = Functions.ReturnCANoStringFormat(issueID);
        emailparams[1] = issueID.ToString();
        emailparams[2] = GlobalVars.hostURL;
        emailparams[3] = section;
        emailparams[4] = loggedInUser.FirstName + " " + loggedInUser.LastName;
        emailparams[5] = comment;

        en.SendNotificationEmail(emailTemplate, GlobalVars.SENDER_EMAIL, senderName, recipientEmail, null, subject, emailparams);
    }

    public static string NotifyCompletionOf8D(AppSettings appSettings, int issueID, DateTime? followUpDate) {
        string emailSentList = "";
        string senderName = "CorrectiveAction";
        string emailTemplate = "CorrectiveActionCompleted.txt";
        List<string> emailIst = MiscDMO.Get8DEmailListForClosureNotification(issueID);
        string subject = "Corrective Action Completion - " + Functions.ReturnCANoStringFormat(issueID);

        EmailNotification en = new(appSettings, subject);
        string[] emailparams = new string[4];
        foreach (string email in emailIst) {
            emailparams[0] = Functions.ReturnCANoStringFormat(issueID);
            emailparams[1] = GlobalVars.hostURL;
            emailparams[2] = issueID.ToString();
            emailparams[3] = followUpDate is null ? string.Empty : followUpDate.Value.ToString();
            en.SendNotificationEmail(emailTemplate, GlobalVars.SENDER_EMAIL, senderName, email, null, subject, emailparams);
            emailSentList += email + ",";
        }

        return emailSentList;
    }

    public static string NotifyClosureOf8D(AppSettings appSettings, int issueID) {
        string emailSentList = "";
        string senderName = "CorrectiveAction";
        string emailTemplate = "CorrectiveActionClosed.txt";
        List<string> emailIst = MiscDMO.Get8DEmailListForClosureNotification(issueID);
        string subject = "Corrective Action Follow Up Closure - " + Functions.ReturnCANoStringFormat(issueID);

        EmailNotification en = new(appSettings, subject);
        string[] emailparams = new string[3];
        foreach (string email in emailIst) {
            emailparams[0] = Functions.ReturnCANoStringFormat(issueID);
            emailparams[1] = GlobalVars.hostURL;
            emailparams[2] = issueID.ToString();
            en.SendNotificationEmail(emailTemplate, GlobalVars.SENDER_EMAIL, senderName, email, null, subject, emailparams);
            emailSentList += email + ",";
        }

        return emailSentList;
    }

    public static string NotifyActionItemCompletion(AppSettings appSettings, int issueID, DateTime? dueDate, int? recipientId, string template) {
        string emailSentList = "";
        string emailTemplate = template;
        string userEmail = string.Empty;
        string senderName = "CorrectiveAction";
        string email = MiscDMO.GetEmail(recipientId);
        string subject = "8D Action Item Completion - " + Functions.ReturnCANoStringFormat(issueID);

        EmailNotification en = new(appSettings, subject);
        string[] emailparams = new string[5];
        emailparams[0] = Functions.ReturnCANoStringFormat(issueID);
        emailparams[1] = dueDate is null ? string.Empty : dueDate.Value.ToString();
        emailparams[2] = Functions.DocumentTypeMapper(GlobalVars.DocumentType.CorrectiveAction);
        emailparams[3] = GlobalVars.hostURL;
        emailparams[4] = issueID.ToString();

        en.SendNotificationEmail(emailTemplate, GlobalVars.SENDER_EMAIL, senderName, email, null, subject, emailparams);
        emailSentList += email + ",";
        return email;
    }

    public static string NotifyActionItemOwner(AppSettings appSettings, int issueID, DateTime? dueDate, int? responsibleOwnerID, string template) {
        string emailSentList = "";
        string emailTemplate = template;
        string userEmail = string.Empty;
        string senderName = "CorrectiveAction";
        string email = MiscDMO.GetEmail(responsibleOwnerID);
        string subject = "Action Item in " + Functions.ReturnCANoStringFormat(issueID);

        EmailNotification en = new(appSettings, subject);
        string[] emailparams = new string[5];
        emailparams[0] = Functions.ReturnCANoStringFormat(issueID);
        emailparams[1] = dueDate is null ? string.Empty : dueDate.Value.ToString();
        emailparams[2] = Functions.DocumentTypeMapper(GlobalVars.DocumentType.CorrectiveAction);
        emailparams[3] = GlobalVars.hostURL;
        emailparams[4] = issueID.ToString();

        en.SendNotificationEmail(emailTemplate, GlobalVars.SENDER_EMAIL, senderName, email, null, subject, emailparams);
        emailSentList += email + ",";
        return email;
    }

    public static void NotifyAssignee(AppSettings appSettings, int issueID, string template, DateTime? D3DueDate, DateTime? D5D7DueDate, string email) {
        string emailSentList = "";
        string emailTemplate = template;
        string userEmail = string.Empty;
        string senderName = "CorrectiveAction";
        string subject = "CAR Assigned - " + Functions.ReturnCANoStringFormat(issueID);

        EmailNotification en = new(appSettings, subject);
        string[] emailparams = new string[6];
        emailparams[0] = Functions.ReturnCANoStringFormat(issueID);
        emailparams[1] = Functions.DocumentTypeMapper(GlobalVars.DocumentType.CorrectiveAction);
        emailparams[2] = GlobalVars.hostURL;
        emailparams[3] = issueID.ToString();
        emailparams[4] = D3DueDate is not null ? D3DueDate.Value.ToString() : "N/A";
        emailparams[5] = D5D7DueDate is not null ? D5D7DueDate.Value.ToString() : "N/A";

        en.SendNotificationEmail(emailTemplate, GlobalVars.SENDER_EMAIL, senderName, email, null, subject, emailparams);
        emailSentList += email + ",";
    }

    public static void NotifyRequestor(AppSettings appSettings, int issueID, DateTime? dueDate, string template, string email) {
        string emailSentList = "";
        string emailTemplate = template;
        string userEmail = string.Empty;
        string senderName = "CorrectiveAction";
        string subject = "Corrective Action Assignment - " + Functions.ReturnCANoStringFormat(issueID);

        EmailNotification en = new(appSettings, subject);
        string[] emailparams = new string[5];
        emailparams[0] = Functions.ReturnCANoStringFormat(issueID);
        emailparams[1] = dueDate is null ? string.Empty : dueDate.Value.ToString();
        emailparams[2] = Functions.DocumentTypeMapper(GlobalVars.DocumentType.CorrectiveAction);
        emailparams[3] = GlobalVars.hostURL;
        emailparams[4] = issueID.ToString();

        en.SendNotificationEmail(emailTemplate, GlobalVars.SENDER_EMAIL, senderName, email, null, subject, emailparams);
        emailSentList += email + ",";
    }

    public static string AddAdditionalApproval(AppSettings appSettings, int issueID, string emailSentList, string emailArray) {
        string userEmail = string.Empty;
        string senderName = "CorrectiveAction";
        string emailTemplate = "CorrectiveActionAssigned.txt";
        string subject = "Corrective Action Assignment - Final Approval";

        string[] emailIst = emailArray.Split(new char[] { '~' });
        foreach (string email in emailIst) {
            if (email.Length > 0) {
                subject = "Corrective Action Assignment";
                EmailNotification en = new(appSettings, subject);
                string[] emailparams = new string[3];
                emailparams[0] = Functions.ReturnCANoStringFormat(issueID);
                emailparams[1] = issueID.ToString();
                emailparams[2] = GlobalVars.hostURL;
                userEmail = email;

                en.SendNotificationEmail(emailTemplate, GlobalVars.SENDER_EMAIL, senderName, userEmail, null, subject, emailparams);
                emailSentList += email + ",";
            }
        }

        return emailSentList;
    }

    public static string NotifyApprovers(AppSettings appSettings, int issueID, List<string> emailIst) {
        string emailSentList = "";
        string userEmail = string.Empty;
        string senderName = "CorrectiveAction";
        string subject = "Corrective Action Assignment";
        string emailTemplate = "CorrectiveActionAssigned.txt";

        foreach (string email in emailIst) {
            subject = "Corrective Action Assignment - Final Approval";
            EmailNotification en = new(appSettings, subject);
            string[] emailparams = new string[3];
            emailparams[0] = Functions.ReturnCANoStringFormat(issueID);
            emailparams[1] = issueID.ToString();
            emailparams[2] = GlobalVars.hostURL;
            userEmail = email;

            en.SendNotificationEmail(emailTemplate, GlobalVars.SENDER_EMAIL, senderName, userEmail, null, subject, emailparams);
            emailSentList += email + ",";
        }

        return emailSentList;
    }

    public static void NotifySectionApprover(AppSettings appSettings, int issueID, string section, string userEmail) {
        string senderName = "CorrectiveAction";
        string subject = "Corrective Action Assignment";
        string emailTemplate = "CorrectiveActionSectionAssignee.txt";

        subject = "Corrective Action Assignment - Section Approval";
        EmailNotification en = new(appSettings, subject);
        string[] emailparams = new string[4];
        emailparams[0] = Functions.ReturnCANoStringFormat(issueID);
        emailparams[1] = issueID.ToString();
        emailparams[2] = GlobalVars.hostURL;
        emailparams[3] = section;
        en.SendNotificationEmail(emailTemplate, GlobalVars.SENDER_EMAIL, senderName, userEmail, null, subject, emailparams);
    }

    public static string NotifyRejectionToAssignee(AppSettings appSettings, int issueID, string comments, string username, List<string> emailIst) {
        string userEmail = string.Empty;
        string senderName = "CorrectiveAction";
        string subject = "Corrective Action Rejection";
        string emailTemplate = "CorrectiveActionReject.txt";

        foreach (string email in emailIst) {
            subject = "Corrective Action Rejection";
            EmailNotification en = new(appSettings, subject);
            string[] emailparams = new string[5];
            emailparams[0] = Functions.ReturnCANoStringFormat(issueID);
            emailparams[1] = issueID.ToString();
            emailparams[2] = GlobalVars.hostURL;
            emailparams[3] = username;
            emailparams[4] = comments;
            userEmail = email;

            en.SendNotificationEmail(emailTemplate, GlobalVars.SENDER_EMAIL, senderName, userEmail, null, subject, emailparams);
        }

        return userEmail;
    }

    public static void ReAssignApproval(AppSettings appSettings, int issueID, string email) {
        string userEmail = string.Empty;
        string senderName = "CorrectiveAction";
        string subject = "Corrective Action Re-Assignment";
        string emailTemplate = "CorrectiveActionReAssigned.txt";

        subject = "Corrective Action Re-Assignment" + " - Email would be sent to " + email;
        EmailNotification en = new(appSettings, subject);
        string[] emailparams = new string[3];
        emailparams[0] = Functions.ReturnCANoStringFormat(issueID);
        emailparams[1] = issueID.ToString();
        emailparams[2] = GlobalVars.hostURL;
        userEmail = email;
        en.SendNotificationEmail(emailTemplate, GlobalVars.SENDER_EMAIL, senderName, userEmail, null, subject, emailparams);
    }

    public static void ReAssignApproverByAdmin(AppSettings appSettings, int issueID, string email) {
        string userEmail = string.Empty;
        string senderName = "CorrectiveAction";
        string subject = "Corrective Action Re-Assignment";
        string emailTemplate = "CorrectiveActionReAssigned.txt";

        subject = "Corrective Action Re-Assignment" + " - Email would be sent to " + email;
        EmailNotification en = new(appSettings, subject);
        string[] emailparams = new string[3];
        emailparams[0] = Functions.ReturnCANoStringFormat(issueID);
        emailparams[1] = issueID.ToString();
        emailparams[2] = GlobalVars.hostURL;
        userEmail = email;
        en.SendNotificationEmail(emailTemplate, GlobalVars.SENDER_EMAIL, senderName, userEmail, null, subject, emailparams);
    }

    public static void AttachSave(AppSettings appSettings, CorrectiveActionDMO correctiveActionDMO, int caNo, int userId, string fullFileName, Stream stream) {
        // Some browsers send file names with full path.
        // We are only interested in the file name.

        var fileName = Path.GetFileName(fullFileName);
        var fileExtension = Path.GetExtension(fullFileName);
        DirectoryInfo di;
        var ccPhysicalPath = appSettings.AttachmentFolder + @"CorrectiveAction\" + caNo;
        di = new DirectoryInfo(ccPhysicalPath);
        if (!di.Exists)
            di.Create();

        var guid = Guid.NewGuid().ToString();
        var physicalPath = Path.Combine(appSettings.AttachmentFolder + @"CorrectiveAction\" + caNo + @"\", guid + fileExtension);

        using (FileStream fileStream = new(physicalPath, FileMode.Create, FileAccess.Write)) {
            stream.CopyTo(fileStream);
        }
        CA_Attachment attach = new() {
            CANo = caNo,
            FileGUID = guid,
            FileName = fileName,
            UploadedByID = userId,
            Section = Functions.CASectionMapper(GlobalVars.CASection.Main)
        };

        correctiveActionDMO.InsertCAAttachment(attach);
    }

    public static void D4FilesAttachSave(AppSettings appSettings, CorrectiveActionDMO correctiveActionDMO, int caNo, int userId, string fullFileName, Stream stream) {
        // Some browsers send file names with full path.
        // We are only interested in the file name.

        var fileName = Path.GetFileName(fullFileName);
        var fileExtension = Path.GetExtension(fullFileName);
        DirectoryInfo di;
        var ccPhysicalPath = appSettings.AttachmentFolder + @"CorrectiveAction\" + caNo;
        di = new DirectoryInfo(ccPhysicalPath);
        if (!di.Exists)
            di.Create();

        var guid = Guid.NewGuid().ToString();
        var physicalPath = Path.Combine(appSettings.AttachmentFolder + @"CorrectiveAction\" + caNo + @"\", guid + fileExtension);

        using (FileStream fileStream = new(physicalPath, FileMode.Create, FileAccess.Write)) {
            stream.CopyTo(fileStream);
        }
        CA_Attachment attach = new() {
            CANo = caNo,
            FileGUID = guid,
            FileName = fileName,
            UploadedByID = userId,
            Section = Functions.CASectionMapper(GlobalVars.CASection.D4)

        };

        correctiveActionDMO.InsertCAAttachment(attach);
    }

    public static void SaveD7PA_Attachemnt(AppSettings appSettings, CorrectiveActionDMO correctiveActionDMO, int d7PAID, int caNo, int userId, string fullFileName, Stream stream) {
        // Some browsers send file names with full path.
        // We are only interested in the file name.

        var fileName = Path.GetFileName(fullFileName);
        var fileExtension = Path.GetExtension(fullFileName);
        DirectoryInfo di;
        var ccPhysicalPath = appSettings.AttachmentFolder + @"CorrectiveAction\" + caNo;
        di = new DirectoryInfo(ccPhysicalPath);
        if (!di.Exists)
            di.Create();

        var guid = Guid.NewGuid().ToString();
        var physicalPath = Path.Combine(appSettings.AttachmentFolder + @"CorrectiveAction\" + caNo + @"\", guid + fileExtension);

        using (FileStream fileStream = new(physicalPath, FileMode.Create, FileAccess.Write)) {
            stream.CopyTo(fileStream);
        }
        CA_Attachment attach = new() {
            D7PAID = d7PAID,
            CANo = caNo,
            FileGUID = guid,
            FileName = fileName,
            UploadedByID = userId,
            Section = Functions.CASectionMapper(GlobalVars.CASection.D7)

        };

        correctiveActionDMO.InsertCAAttachment(attach);
    }

    public static void SaveD5D6CA_Attachemnt(AppSettings appSettings, CorrectiveActionDMO correctiveActionDMO, int d5d6CAID, int caNo, int userId, string fullFileName, Stream stream) {
        // Some browsers send file names with full path.
        // We are only interested in the file name.

        var fileName = Path.GetFileName(fullFileName);
        var fileExtension = Path.GetExtension(fullFileName);
        DirectoryInfo di;
        var ccPhysicalPath = appSettings.AttachmentFolder + @"CorrectiveAction\" + caNo;
        di = new DirectoryInfo(ccPhysicalPath);
        if (!di.Exists)
            di.Create();

        var guid = Guid.NewGuid().ToString();
        var physicalPath = Path.Combine(appSettings.AttachmentFolder + @"CorrectiveAction\" + caNo + @"\", guid + fileExtension);

        using (FileStream fileStream = new(physicalPath, FileMode.Create, FileAccess.Write)) {
            stream.CopyTo(fileStream);
        }
        CA_Attachment attach = new() {
            D5D6CAID = d5d6CAID,
            CANo = caNo,
            FileGUID = guid,
            FileName = fileName,
            UploadedByID = userId,
            Section = Functions.CASectionMapper(GlobalVars.CASection.D5)

        };

        correctiveActionDMO.InsertCAAttachment(attach);
    }

}