package sql

import (
	"context"
	"fmt"
	"strings"
	"time"

	"github.com/authorizerdev/authorizer/server/db/models"
	"github.com/authorizerdev/authorizer/server/graph/model"
	"github.com/google/uuid"
)

// AddWebhook to add webhook
func (p *provider) AddWebhook(ctx context.Context, webhook models.Webhook) (*model.Webhook, error) {
	if webhook.ID == "" {
		webhook.ID = uuid.New().String()
	}
	webhook.Key = webhook.ID
	webhook.CreatedAt = time.Now().Unix()
	webhook.UpdatedAt = time.Now().Unix()
	if webhook.EventDescription == "" {
		webhook.EventDescription = strings.Join(strings.Split(webhook.EventName, "."), " ")
	}
	// Add timestamp to make event name unique for legacy version
	webhook.EventName = fmt.Sprintf("%s-%d", webhook.EventName, time.Now().Unix())
	res := p.db.Create(&webhook)
	if res.Error != nil {
		return nil, res.Error
	}
	return webhook.AsAPIWebhook(), nil
}

// UpdateWebhook to update webhook
func (p *provider) UpdateWebhook(ctx context.Context, webhook models.Webhook) (*model.Webhook, error) {
	webhook.UpdatedAt = time.Now().Unix()
	// Event is changed
	if !strings.Contains(webhook.EventName, "-") {
		webhook.EventName = fmt.Sprintf("%s-%d", webhook.EventName, time.Now().Unix())
	}
	result := p.db.Save(&webhook)
	if result.Error != nil {
		return nil, result.Error
	}
	return webhook.AsAPIWebhook(), nil
}

// ListWebhooks to list webhook
func (p *provider) ListWebhook(ctx context.Context, pagination model.Pagination) (*model.Webhooks, error) {
	var webhooks []models.Webhook
	result := p.db.Limit(int(pagination.Limit)).Offset(int(pagination.Offset)).Order("created_at DESC").Find(&webhooks)
	if result.Error != nil {
		return nil, result.Error
	}
	var total int64
	totalRes := p.db.Model(&models.Webhook{}).Count(&total)
	if totalRes.Error != nil {
		return nil, totalRes.Error
	}
	paginationClone := pagination
	paginationClone.Total = total
	responseWebhooks := []*model.Webhook{}
	for _, w := range webhooks {
		responseWebhooks = append(responseWebhooks, w.AsAPIWebhook())
	}
	return &model.Webhooks{
		Pagination: &paginationClone,
		Webhooks:   responseWebhooks,
	}, nil
}

// GetWebhookByID to get webhook by id
func (p *provider) GetWebhookByID(ctx context.Context, webhookID string) (*model.Webhook, error) {
	var webhook models.Webhook

	result := p.db.Where("id = ?", webhookID).First(&webhook)
	if result.Error != nil {
		return nil, result.Error
	}
	return webhook.AsAPIWebhook(), nil
}

// GetWebhookByEventName to get webhook by event_name
func (p *provider) GetWebhookByEventName(ctx context.Context, eventName string) ([]*model.Webhook, error) {
	var webhooks []models.Webhook
	result := p.db.Where("event_name LIKE ?", eventName+"%").Find(&webhooks)
	if result.Error != nil {
		return nil, result.Error
	}
	responseWebhooks := []*model.Webhook{}
	for _, w := range webhooks {
		responseWebhooks = append(responseWebhooks, w.AsAPIWebhook())
	}
	return responseWebhooks, nil
}

// DeleteWebhook to delete webhook
func (p *provider) DeleteWebhook(ctx context.Context, webhook *model.Webhook) error {
	result := p.db.Delete(&models.Webhook{
		ID: webhook.ID,
	})
	if result.Error != nil {
		return result.Error
	}

	result = p.db.Where("webhook_id = ?", webhook.ID).Delete(&models.WebhookLog{})
	if result.Error != nil {
		return result.Error
	}
	return nil
}