package heliumapi

import (
	"encoding/json"
	"fmt"
	"strings"
	"time"

	"github.com/helium-blockchain-exporter/heliumapi/activity"
)

// query https://docs.helium.com/api/blockchain/hotspots#hotspot-activity
func GetHotspotActivity(hotspot string, filterTypes []string, minTime *time.Time, maxTime *time.Time) (*activity.Activities, error) {
	path := "/v1/hotspots/" + hotspot + "/activity"
	params := map[string]string{}
	if filterTypes != nil {
		params["filter_types"] = strings.Join(filterTypes, ",")
	}
	if minTime != nil {
		params["min_time"] = minTime.UTC().Format(time.RFC3339)
	}
	if maxTime != nil {
		params["max_time"] = maxTime.UTC().Format(time.RFC3339)
	}

	// query the api
	resBodies, err := getHeliumApiWithCursor(path, &params)
	if err != nil {
		return nil, err
	}

	// unmarshal the responses and merge them all together
	combinedResp := activity.ActivityResp{}
	for _, respBody := range resBodies {
		activityResp := activity.ActivityResp{}
		err = json.Unmarshal(respBody, &activityResp)
		if err != nil {
			return nil, fmt.Errorf("failed to unmarshal response from %v: %v", path, err)
		}
		combinedResp.Data = append(combinedResp.Data, activityResp.Data...)
	}

	return activity.NewActivities(combinedResp)
}

// query https://docs.helium.com/api/blockchain/hotspots#hotspots-activity-counts
func GetHotspotActivityCounts(hotspot string) (*ActivityCounts, error) {
	path := "/v1/hotspots/" + hotspot + "/activity/count"

	// query the api
	respBody, err := getHeliumApi(path, nil)
	if err != nil {
		return nil, err
	}

	// unmarshal the response
	respobject := ActivityCountsResp{}
	err = json.Unmarshal(respBody, &respobject)
	if err != nil {
		return nil, fmt.Errorf("failed to unmarshal response from %v: %v", path, err)
	}

	return &respobject.Data, nil
}

// query https://docs.helium.com/api/blockchain/hotspots#witnesses-for-a-hotspot
func GetWitnessesForHotspot(hotspot string) ([]Hotspot, error) {
	path := "/v1/hotspots/" + hotspot + "/witnesses"

	// query the api
	respBody, err := getHeliumApi(path, nil)
	if err != nil {
		return nil, err
	}

	// unmarshal the response
	respobject := WitnessesResp{}
	err = json.Unmarshal(respBody, &respobject)
	if err != nil {
		return nil, fmt.Errorf("failed to unmarshal response from %v: %v", path, err)
	}

	return respobject.Data, nil
}

// query https://docs.helium.com/api/blockchain/hotspots#witnessed-for-a-hotspot
func GetWitnessedForHotspot(hotspot string) ([]Hotspot, error) {
	path := "/v1/hotspots/" + hotspot + "/witnessed"

	// query the api
	respBody, err := getHeliumApi(path, nil)
	if err != nil {
		return nil, err
	}

	// unmarshal the response
	respobject := WitnessedResp{}
	err = json.Unmarshal(respBody, &respobject)
	if err != nil {
		return nil, fmt.Errorf("failed to unmarshal response from %v: %v", path, err)
	}

	return respobject.Data, nil
}