package veli

import (
	"context"
	"fmt"

	dbgen "github.com/SamuelTariku/FortuneBet-Backend/gen/db"
	"github.com/SamuelTariku/FortuneBet-Backend/internal/domain"
	"github.com/jackc/pgx/v5/pgtype"
)

func (s *Service) AddProviders(ctx context.Context, req domain.ProviderRequest) (*domain.ProviderResponse, error) {
	// 0. Remove all existing providers first
	if err := s.repo.DeleteAllVirtualGameProviders(ctx); err != nil {
		return nil, fmt.Errorf("failed to clear existing providers: %w", err)
	}

	// 1. Prepare signature parameters
	sigParams := map[string]any{
		"brandId": req.BrandID,
	}

	// Optional fields
	if req.Size > 0 {
		sigParams["size"] = fmt.Sprintf("%d", req.Size)
	} else {
		sigParams["size"] = ""
	}

	if req.Page > 0 {
		sigParams["page"] = fmt.Sprintf("%d", req.Page)
	} else {
		sigParams["page"] = ""
	}

	// 2. Call external API
	var res domain.ProviderResponse
	if err := s.client.post(ctx, "/game-lists/public/providers", req, sigParams, &res); err != nil {
		return nil, fmt.Errorf("failed to fetch providers: %w", err)
	}

	// 3. Loop through fetched providers and insert into DB
	for _, p := range res.Items {
		createParams := dbgen.CreateVirtualGameProviderParams{
			ProviderID:   p.ProviderID,
			ProviderName: p.ProviderName,
			LogoDark:     pgtype.Text{String: p.LogoForDark, Valid: true},
			LogoLight:    pgtype.Text{String: p.LogoForLight, Valid: true},
			Enabled:      true,
		}

		if _, err := s.repo.CreateVirtualGameProvider(ctx, createParams); err != nil {
			// Log error but continue with other providers
			return nil, fmt.Errorf("failed to add provider %s: %w", p.ProviderID, err)
		}
	}

	return &res, nil
}