import (

	"encoding/json"

	"fmt"

	"strconv"

	"github.com/sendgrid/rest"

)

// GetReports returns the current user's reports

func (g *Client) GetReports() ([]Report, error) {

	req := g.prepareRequest("reports")

	r, err := rest.API(req)

	if err != nil {

		return nil, fmt.Errorf("reports: %s", err.Error())

	}

	// Check for error reply

	var errorResult Error

	if err := json.Unmarshal([]byte(r.Body), &errorResult); err == nil {

		// The empty object is not an error

		if errorResult.Text != "" {

			return nil, fmt.Errorf("%s", errorResult.Text)

		}

	}

	// Not an error reply; let's unmarshal the data

	var reports []Report

	err = json.Unmarshal([]byte(r.Body), &reports)

	if err != nil {

		return nil, fmt.Errorf("reports API: %s", err.Error())

	}

	return reports, nil

}

// ReportUser reports the user account

// NOTE: Currently only the first statusID is sent.

func (g *Client) ReportUser(accountID int, statusIDs []int, comment string) (*Report, error) {

	if accountID < 1 || comment == "" || len(statusIDs) < 1 {

		return nil, ErrInvalidParameter

	}

	req := g.prepareRequest("reports")

	req.Method = rest.Post

	req.QueryParams["account_id"] = strconv.Itoa(accountID)

	// XXX Sending only the first one since I'm not sure arrays work

	req.QueryParams["status_ids"] = strconv.Itoa(statusIDs[0])

	req.QueryParams["comment"] = comment

	r, err := rest.API(req)

	if err != nil {

		return nil, fmt.Errorf("reports: %s", err.Error())

	}

	// Check for error reply

	var errorResult Error

	if err := json.Unmarshal([]byte(r.Body), &errorResult); err == nil {

		// The empty object is not an error

		if errorResult.Text != "" {

			return nil, fmt.Errorf("%s", errorResult.Text)

		}

	}

	// Not an error reply; let's unmarshal the data

	var report Report

	err = json.Unmarshal([]byte(r.Body), &report)

	if err != nil {

		return nil, fmt.Errorf("reports API: %s", err.Error())

	}

	return &report, nil

}