using DigitalData.Core.Infrastructure;
using EnvelopeGenerator.Domain.Entities;
using EnvelopeGenerator.Application.Interfaces.Repositories;
using Microsoft.EntityFrameworkCore;
using DigitalData.Core.Exceptions;
using EnvelopeGenerator.Domain;
using EnvelopeGenerator.Domain.Constants;

namespace EnvelopeGenerator.Infrastructure.Repositories;

[Obsolete("Use TempRepo")]
public class EnvelopeReceiverRepository : CRUDRepository<EnvelopeReceiver, (int Envelope, int Receiver), EGDbContext>, IEnvelopeReceiverRepository
{
    public EnvelopeReceiverRepository(EGDbContext dbContext) : base(dbContext, dbContext.EnvelopeReceivers)
    {
    }

    private IQueryable<EnvelopeReceiver> ReadWhere(string? uuid = null, string? signature = null, bool withEnvelope = false, bool withReceiver = false, bool readOnly = true)
    {
        var query = readOnly ? _dbSet.AsNoTracking() : _dbSet;

        if (uuid is not null)
            query = query.Where(er => er.Envelope != null && er.Envelope.Uuid == uuid);

        if (signature is not null)
            query = query.Where(er => er.Receiver != null && er.Receiver.Signature == signature);

        if (withEnvelope)
            query = query
                .Include(er => er.Envelope).ThenInclude(e => e!.Documents!).ThenInclude(d => d.Elements!.Where(e => signature == null || e.Receiver!.Signature == signature))
                .Include(er => er.Envelope).ThenInclude(e => e!.Histories)
                .Include(er => er.Envelope).ThenInclude(e => e!.User);

        if (withReceiver)
            query = query.Include(er => er.Receiver);
        return query;
    }

    public async Task<IEnumerable<EnvelopeReceiver>> ReadByUuidAsync(string uuid, bool withEnvelope = true, bool withReceiver = false, bool readOnly = true)
        => await ReadWhere(uuid: uuid, withEnvelope: withEnvelope, withReceiver: withReceiver, readOnly: readOnly).ToListAsync();

    public async Task<IEnumerable<EnvelopeReceiver>> ReadBySignatureAsync(string signature, bool withEnvelope = false, bool withReceiver = true, bool readOnly = true)
        => await ReadWhere(signature: signature, withEnvelope: withEnvelope, withReceiver: withReceiver, readOnly: readOnly).ToListAsync();

    public async Task<EnvelopeReceiver?> ReadByUuidSignatureAsync(string uuid, string signature, bool withEnvelope = true, bool withReceiver = true, bool readOnly = true)
    {
        var query = ReadWhere(uuid: uuid, signature: signature, withEnvelope: withEnvelope, withReceiver: withReceiver, readOnly: readOnly);

        return await query.FirstOrDefaultAsync();
    }

    public async Task<string?> ReadAccessCodeAsync(string uuid, string signature, bool readOnly = true)
        => await ReadWhere(uuid: uuid, signature: signature, readOnly: readOnly)
            .Select(er => er.AccessCode)
            .FirstOrDefaultAsync();

    public async Task<int> CountAsync(string uuid, string signature) => await ReadWhere(uuid: uuid, signature: signature).CountAsync();

    private IQueryable<EnvelopeReceiver> ReadById(int envelopeId, int receiverId, bool withEnvelope = true, bool withReceiver = true, bool readOnly = true)
    {
        var query = readOnly ? _dbSet.AsNoTracking() : _dbSet;
        
        if (withEnvelope)
            query = query
                .Include(er => er.Envelope).ThenInclude(e => e!.Documents!).ThenInclude(d => d.Elements!.Where(e => e.Receiver!.Id == receiverId))
                .Include(er => er.Envelope).ThenInclude(e => e!.Histories)
                .Include(er => er.Envelope).ThenInclude(e => e!.User);

        if (withReceiver)
            query = query.Include(er => er.Receiver);

        return query.Where(er => er.EnvelopeId == envelopeId && er.ReceiverId == receiverId);
    }

    public async Task<EnvelopeReceiver?> ReadByIdAsync(int envelopeId, int receiverId, bool readOnly = true)
        => await ReadById(envelopeId: envelopeId, receiverId: receiverId, readOnly: readOnly)
        .FirstOrDefaultAsync();

    public async Task<string?> ReadAccessCodeByIdAsync(int envelopeId, int receiverId, bool readOnly = true)
        => await ReadById(envelopeId: envelopeId, receiverId: receiverId, readOnly: readOnly)
        .Select(er => er.AccessCode)
        .FirstOrDefaultAsync();

    public async Task<IEnumerable<EnvelopeReceiver>> ReadByUsernameAsync(string username, EnvelopeStatus? min_status = null, EnvelopeStatus? max_status = null, params EnvelopeStatus[] ignore_statuses)
    {
        var query = _dbSet.AsNoTracking().Where(er => er.Envelope!.User!.Username == username);

        if (min_status is not null)
            query = query.Where(er => er.Envelope!.Status >= min_status);

        if (max_status is not null)
            query = query.Where(er => er.Envelope!.Status <= max_status);

        foreach (var ignore_status in ignore_statuses)
            query = query.Where(er => er.Envelope!.Status != ignore_status);

        return await query.Include(er => er.Envelope).Include(er => er.Receiver).ToListAsync();
    }

    public async Task<EnvelopeReceiver?> ReadLastByReceiverAsync(string? email = null, int? id = null, string? signature = null)
    {
        var parameters = new[] { email, id?.ToString(), signature }.Count(p => p != null);

        if (parameters == 0)
            throw new BadRequestException("You must provide either 'email', 'id', or 'signature' for the query.");
        if (parameters > 1)
            throw new BadRequestException("Please provide only one parameter: either 'email', 'id', or 'signature'.");

        var query = _dbSet.AsNoTracking();

        if(email is not null)
            query = query.Where(er => er.Receiver!.EmailAddress == email);

        if (id is not null)
            query = query.Where(er => er.Receiver!.Id == id);

        if (signature is not null)
            query = query.Where(er => er.Receiver!.Signature == signature);

        return await query.OrderBy(er => er.EnvelopeId).LastOrDefaultAsync();
    }      
}