package apiclient

import (
	"context"
	"fmt"
	"net/http"

	"github.com/crowdsecurity/crowdsec/pkg/models"
	qs "github.com/google/go-querystring/query"
	"github.com/pkg/errors"
)

// type ApiAlerts service

type AlertsService service

type AlertsListOpts struct {
	ScopeEquals          *string `url:"scope,omitempty"`
	ValueEquals          *string `url:"value,omitempty"`
	ScenarioEquals       *string `url:"scenario,omitempty"`
	IPEquals             *string `url:"ip,omitempty"`
	RangeEquals          *string `url:"range,omitempty"`
	OriginEquals         *string `url:"origin,omitempty"`
	Since                *string `url:"since,omitempty"`
	TypeEquals           *string `url:"decision_type,omitempty"`
	Until                *string `url:"until,omitempty"`
	IncludeSimulated     *bool   `url:"simulated,omitempty"`
	ActiveDecisionEquals *bool   `url:"has_active_decision,omitempty"`
	IncludeCAPI          *bool   `url:"include_capi,omitempty"`
	Limit                *int    `url:"limit,omitempty"`
	Contains             *bool   `url:"contains,omitempty"`
	ListOpts
}

type AlertsDeleteOpts struct {
	ScopeEquals          *string `url:"scope,omitempty"`
	ValueEquals          *string `url:"value,omitempty"`
	ScenarioEquals       *string `url:"scenario,omitempty"`
	IPEquals             *string `url:"ip,omitempty"`
	RangeEquals          *string `url:"range,omitempty"`
	Since                *string `url:"since,omitempty"`
	Until                *string `url:"until,omitempty"`
	OriginEquals         *string `url:"origin,omitempty"`
	ActiveDecisionEquals *bool   `url:"has_active_decision,omitempty"`
	SourceEquals         *string `url:"alert_source,omitempty"`
	Contains             *bool   `url:"contains,omitempty"`
	Limit                *int    `url:"limit,omitempty"`
	ListOpts
}

func (s *AlertsService) Add(ctx context.Context, alerts models.AddAlertsRequest) (*models.AddAlertsResponse, *Response, error) {

	var added_ids models.AddAlertsResponse

	u := fmt.Sprintf("%s/alerts", s.client.URLPrefix)
	req, err := s.client.NewRequest(http.MethodPost, u, &alerts)
	if err != nil {
		return nil, nil, err
	}

	resp, err := s.client.Do(ctx, req, &added_ids)
	if err != nil {
		return nil, resp, err
	}
	return &added_ids, resp, nil
}

// to demo query arguments
func (s *AlertsService) List(ctx context.Context, opts AlertsListOpts) (*models.GetAlertsResponse, *Response, error) {
	var alerts models.GetAlertsResponse
	var URI string
	u := fmt.Sprintf("%s/alerts", s.client.URLPrefix)
	params, err := qs.Values(opts)
	if err != nil {
		return nil, nil, errors.Wrap(err, "building query")
	}
	if len(params) > 0 {
		URI = fmt.Sprintf("%s?%s", u, params.Encode())
	} else {
		URI = u
	}

	req, err := s.client.NewRequest(http.MethodGet, URI, nil)
	if err != nil {
		return nil, nil, errors.Wrap(err, "building request")
	}

	resp, err := s.client.Do(ctx, req, &alerts)
	if err != nil {
		return nil, resp, errors.Wrap(err, "performing request")
	}
	return &alerts, resp, nil
}

// to demo query arguments
func (s *AlertsService) Delete(ctx context.Context, opts AlertsDeleteOpts) (*models.DeleteAlertsResponse, *Response, error) {
	var alerts models.DeleteAlertsResponse
	params, err := qs.Values(opts)
	if err != nil {
		return nil, nil, err
	}
	u := fmt.Sprintf("%s/alerts?%s", s.client.URLPrefix, params.Encode())

	req, err := s.client.NewRequest(http.MethodDelete, u, nil)
	if err != nil {
		return nil, nil, err
	}

	resp, err := s.client.Do(ctx, req, &alerts)
	if err != nil {
		return nil, resp, err
	}
	return &alerts, resp, nil
}

func (s *AlertsService) DeleteOne(ctx context.Context, alert_id string) (*models.DeleteAlertsResponse, *Response, error) {
	var alerts models.DeleteAlertsResponse
	u := fmt.Sprintf("%s/alerts/%s", s.client.URLPrefix, alert_id)

	req, err := s.client.NewRequest(http.MethodDelete, u, nil)
	if err != nil {
		return nil, nil, err
	}

	resp, err := s.client.Do(ctx, req, &alerts)
	if err != nil {
		return nil, resp, err
	}
	return &alerts, resp, nil
}

func (s *AlertsService) GetByID(ctx context.Context, alertID int) (*models.Alert, *Response, error) {
	var alert models.Alert
	u := fmt.Sprintf("%s/alerts/%d", s.client.URLPrefix, alertID)

	req, err := s.client.NewRequest(http.MethodGet, u, nil)
	if err != nil {
		return nil, nil, err
	}

	resp, err := s.client.Do(ctx, req, &alert)
	if err != nil {
		return nil, nil, err
	}
	return &alert, resp, nil
}