package connectwise

import (
	"encoding/json"
	"fmt"
	"io/ioutil"
	"log"
	"net/http"
	"net/url"
	"time"
)

//Used when more than one company is returned in a response.
type Companies []Company

type Company struct {
	ID         int    `json:"id"`
	Identifier string `json:"identifier"`
	Name       string `json:"name"`
	Status     struct {
		ID   int    `json:"id"`
		Name string `json:"name"`
		Info struct {
			StatusHref string `json:"status_href"`
		} `json:"_info"`
	} `json:"status"`
	Type struct {
		ID   int    `json:"id"`
		Name string `json:"name"`
		Info struct {
			TypeHref string `json:"type_href"`
		} `json:"_info"`
	} `json:"type"`
	AddressLine1 string `json:"addressLine1"`
	City         string `json:"city"`
	State        string `json:"state"`
	Zip          string `json:"zip"`
	Country      struct {
		ID   int    `json:"id"`
		Name string `json:"name"`
		Info struct {
			CountryHref string `json:"country_href"`
		} `json:"_info"`
	} `json:"country"`
	PhoneNumber    string `json:"phoneNumber"`
	FaxNumber      string `json:"faxNumber"`
	Website        string `json:"website"`
	TerritoryID    int    `json:"territoryId"`
	MarketID       int    `json:"marketId"`
	AccountNumber  string `json:"accountNumber"`
	DefaultContact struct {
		ID   int    `json:"id"`
		Name string `json:"name"`
		Info struct {
			ContactHref string `json:"contact_href"`
		} `json:"_info"`
	} `json:"defaultContact"`
	DateAcquired      time.Time `json:"dateAcquired"`
	AnnualRevenue     float64   `json:"annualRevenue"`
	NumberOfEmployees int       `json:"numberOfEmployees"`
	TimeZone          struct {
		ID   int    `json:"id"`
		Name string `json:"name"`
		Info struct {
			TimeZoneSetupHref string `json:"timeZoneSetup_href"`
		} `json:"_info"`
	} `json:"timeZone"`
	LeadFlag          bool   `json:"leadFlag"`
	UnsubscribeFlag   bool   `json:"unsubscribeFlag"`
	UserDefinedField1 string `json:"userDefinedField1"`
	UserDefinedField2 string `json:"userDefinedField2"`
	UserDefinedField3 string `json:"userDefinedField3"`
	UserDefinedField7 string `json:"userDefinedField7"`
	VendorIdentifier  string `json:"vendorIdentifier"`
	TaxIdentifier     string `json:"taxIdentifier"`
	TaxCode           struct {
		ID   int    `json:"id"`
		Name string `json:"name"`
		Info struct {
			TaxCodeHref string `json:"taxCode_href"`
		} `json:"_info"`
	} `json:"taxCode"`
	BillingTerms struct {
		ID   int    `json:"id"`
		Name string `json:"name"`
	} `json:"billingTerms"`
	BillToCompany struct {
		ID         int    `json:"id"`
		Identifier string `json:"identifier"`
		Name       string `json:"name"`
		Info       struct {
			CompanyHref string `json:"company_href"`
		} `json:"_info"`
	} `json:"billToCompany"`
	BillingSite struct {
		ID   int    `json:"id"`
		Name string `json:"name"`
		Info struct {
			SiteHref string `json:"site_href"`
		} `json:"_info"`
	} `json:"billingSite"`
	BillingContact struct {
		ID   int    `json:"id"`
		Name string `json:"name"`
		Info struct {
			ContactHref string `json:"contact_href"`
		} `json:"_info"`
	} `json:"billingContact"`
	InvoiceDeliveryMethod struct {
		ID   int    `json:"id"`
		Name string `json:"name"`
	} `json:"invoiceDeliveryMethod"`
	InvoiceToEmailAddress string `json:"invoiceToEmailAddress"`
	DeletedFlag           bool   `json:"deletedFlag"`
	MobileGUID            string `json:"mobileGuid"`
	Currency              struct {
		ID      int    `json:"id"`
		Symbol  string `json:"symbol"`
		IsoCode string `json:"isoCode"`
		Name    string `json:"name"`
		Info    struct {
			CurrencyHref string `json:"currency_href"`
		} `json:"_info"`
	} `json:"currency"`
	Info struct {
		LastUpdated        time.Time `json:"lastUpdated"`
		UpdatedBy          string    `json:"updatedBy"`
		DateEntered        time.Time `json:"dateEntered"`
		EnteredBy          string    `json:"enteredBy"`
		ContactsHref       string    `json:"contacts_href"`
		AgreementsHref     string    `json:"agreements_href"`
		TicketsHref        string    `json:"tickets_href"`
		OpportunitiesHref  string    `json:"opportunities_href"`
		ActivitiesHref     string    `json:"activities_href"`
		ProjectsHref       string    `json:"projects_href"`
		ConfigurationsHref string    `json:"configurations_href"`
		OrdersHref         string    `json:"orders_href"`
		DocumentsHref      string    `json:"documents_href"`
		SitesHref          string    `json:"sites_href"`
		TeamsHref          string    `json:"teams_href"`
		ReportsHref        string    `json:"reports_href"`
		NotesHref          string    `json:"notes_href"`
	} `json:"_info"`
	CustomFields []struct {
		ID               int    `json:"id"`
		Caption          string `json:"caption"`
		Type             string `json:"type"`
		EntryMethod      string `json:"entryMethod"`
		NumberOfDecimals int    `json:"numberOfDecimals"`
		Value            string `json:"value"`
	} `json:"customFields"`
}

//Checks for HTTP errors, and if all looks good, returns the body of the HTTP response as a byte slice
func getHTTPResponseBody(resp *http.Response) (body []byte) {
	if resp.StatusCode != http.StatusOK {
		out := fmt.Sprintf("CW API returned HTTP Status Code %s\n%s", resp.Status, resp.Body)
		log.Fatal(out)
		return make([]byte, 0)
	} else {
		body, err := ioutil.ReadAll(resp.Body)
		check(err)

		return body
	}
}

func GetCompaniesByName(site *ConnectwiseSite, companyName string) *Companies {

	companies := Companies{}

	//Build the request URL
	var Url *url.URL
	Url, err := url.Parse(site.Site)
	check(err)
	Url.Path += "/company/companies"
	parameters := url.Values{}
	parameters.Add("conditions", "name=\""+companyName+"\"")
	Url.RawQuery = parameters.Encode()

	//Build and make the request
	client := &http.Client{}
	req, err := http.NewRequest("GET", Url.String(), nil)
	check(err)
	req.Header.Set("Authorization", site.Auth)
	req.Header.Set("Content-Type", "application/json")
	response, err := client.Do(req)
	check(err)
	defer response.Body.Close()

	body := getHTTPResponseBody(response)
	check(json.Unmarshal(body, &companies))

	return &companies
}

func GetCompanyByID(site *ConnectwiseSite, companyID int) *Company {

	company := Company{}

	//Build the request URL
	var Url *url.URL
	Url, err := url.Parse(site.Site)
	check(err)
	Url.Path += fmt.Sprintf("/company/companies/%d", companyID)

	//Build and make the request
	client := &http.Client{}
	req, err := http.NewRequest("GET", Url.String(), nil)
	check(err)
	req.Header.Set("Authorization", site.Auth)
	req.Header.Set("Content-Type", "application/json")
	response, err := client.Do(req)
	check(err)
	defer response.Body.Close()

	body := getHTTPResponseBody(response)
	fmt.Print(string(body))
	check(json.Unmarshal(body, &company))

	return &company
}