package mysubaru

import (
	"encoding/json"
	"fmt"
	"io"
	"log/slog"
	"sync"
	"time"

	"git.savin.nyc/alex/mysubaru/config"
	"resty.dev/v3"
)

// Client .
type Client struct {
	credentials     config.Credentials
	httpClient      *resty.Client
	country         string // USA | CA
	updateInterval  int    // 7200
	fetchInterval   int    // 360
	currentVin      string
	listOfVins      []string
	isAuthenticated bool
	isRegistered    bool
	logger          *slog.Logger
	sync.RWMutex
}

// auth .
func (c *Client) auth() []byte {
	params := map[string]string{
		"env":           "cloudprod",
		"deviceType":    "android",
		"loginUsername": c.credentials.Username,
		"password":      c.credentials.Password,
		"deviceId":      c.credentials.DeviceID,
		"passwordToken": "",
		"selectedVin":   "",
		"pushToken":     ""}
	reqURL := MOBILE_API_VERSION + apiURLs["API_LOGIN"]
	resp := c.execute(reqURL, POST, params, "", false)

	c.logger.Debug("AUTH HTTP OUTPUT", "body", string([]byte(resp)))

	return resp
}

// GET
// https://www.mysubaru.com/profile/verifyDeviceName.json?clientId=2574212&deviceName=Alex%20Google%20Pixel%204%20XL
// RESP: true/false

// POST
// https://www.mysubaru.com/profile/editDeviceName.json?clientId=2574212&deviceName=Alex%20Google%20Pixel%204%20XL
// clientId: 2574212
// deviceName: Alex Google Pixel 4 XL
// RESP: true/false

// GET
// https://www.mysubaru.com/listMyDevices.json
// {"success":true,"dataName":"authorizedDevices","data":[{"telematicsClientDeviceKey":2574212,"deviceType":"android","deviceName":"Alex Google Pixel 4 XL","createdDate":"2019-11-29T20:32:21.000+0000","modifiedDate":"2020-06-08T17:48:22.000+0000"},{"telematicsClientDeviceKey":4847533,"deviceName":"Home Assistant: Added 2021-03-03","createdDate":"2021-03-03T20:53:44.000+0000","modifiedDate":"2021-03-03T20:53:47.000+0000"},{"telematicsClientDeviceKey":7222995,"deviceType":"android","deviceName":"Alex Google Pixel 6 Pro","createdDate":"2021-10-28T15:27:36.000+0000","modifiedDate":"2021-10-28T15:27:58.000+0000"},{"telematicsClientDeviceKey":8207130,"deviceName":"Mac/iOS Chrome","createdDate":"2021-12-21T21:19:40.000+0000","modifiedDate":"2021-12-21T21:19:40.000+0000"}]}
// {"success":true,"dataName":"authorizedDevices","data":[{"telematicsClientDeviceKey":2574212,"deviceType":"android","deviceName":"Alex Google Pixel 4 XL","createdDate":"2019-11-29T20:32:21.000+0000","modifiedDate":"2020-06-08T17:48:22.000+0000"},{"telematicsClientDeviceKey":4847533,"deviceName":"Home Assistant: Added 2021-03-03","createdDate":"2021-03-03T20:53:44.000+0000","modifiedDate":"2021-03-03T20:53:47.000+0000"},{"telematicsClientDeviceKey":7222995,"deviceType":"android","deviceName":"Alex Google Pixel 6 Pro","createdDate":"2021-10-28T15:27:36.000+0000","modifiedDate":"2021-10-28T15:27:58.000+0000"},{"telematicsClientDeviceKey":8210723,"deviceName":"Hassio Golang Integration","createdDate":"2021-12-22T01:38:43.000+0000","modifiedDate":"2021-12-22T01:38:43.000+0000"},{"telematicsClientDeviceKey":8207130,"deviceName":"Mac/iOS Chrome","createdDate":"2021-12-21T21:19:40.000+0000","modifiedDate":"2021-12-21T21:19:40.000+0000"}]}

// registerDevice .
func (c *Client) registerDevice() bool {
	// c.httpClient.
	// 	SetBaseURL(WEB_API_SERVER[c.country]).
	// 	R().
	// 	SetFormData(map[string]string{
	// 		"username": c.credentials.username,
	// 		"password": c.credentials.password,
	// 		"deviceId": c.credentials.deviceId,
	// 	}).
	// 	Post(apiURLs["WEB_API_LOGIN"])
	params := map[string]string{
		"username": c.credentials.Username,
		"password": c.credentials.Password,
		"deviceId": c.credentials.DeviceID}
	reqURL := WEB_API_SERVER[c.country] + apiURLs["WEB_API_LOGIN"]
	c.execute(reqURL, POST, params, "", true)

	// Authorizing device via web API
	// c.httpClient.
	// 	SetBaseURL(WEB_API_SERVER[c.country]).
	// 	R().
	// 	SetQueryParams(map[string]string{
	// 		"deviceId": c.credentials.deviceId,
	// 	}).
	// 	Get(apiURLs["WEB_API_AUTHORIZE_DEVICE"])
	params = map[string]string{
		"deviceId": c.credentials.DeviceID}
	reqURL = WEB_API_SERVER[c.country] + apiURLs["WEB_API_AUTHORIZE_DEVICE"]
	c.execute(reqURL, GET, params, "", false)

	return c.setDeviceName()
}

// setDeviceName .
func (c *Client) setDeviceName() bool {
	params := map[string]string{
		"deviceId":   c.credentials.DeviceID,
		"deviceName": c.credentials.DeviceName}
	reqURL := WEB_API_SERVER[c.country] + apiURLs["WEB_API_NAME_DEVICE"]
	c.execute(reqURL, GET, params, "", false)

	return true
}

// listDevices .
func (c *Client) listDevices() {
	// Accept: application/json, text/javascript, */*; q=0.01
	// Accept-Encoding: gzip, deflate, br
	// Accept-Language: en-US,en;q=0.9,ru;q=0.8
	// Connection: keep-alive
	// Cookie: ORA_OTD_JROUTE=ozLwELf5jS-NHQ2CKZorOFfRgb8uo6lL; soa-visitor=12212021VHWnkqERZYThWe87TLUhr2Db; AMCVS_94001C8B532957140A490D4D%40AdobeOrg=1; mys-referringCodes=7~direct~; s_cc=true; AMCVS_subarucom%40AdobeOrg=1; style=null; s_pv=login.html; AMCV_subarucom%40AdobeOrg=-1124106680%7CMCIDTS%7C18988%7CMCMID%7C81535064704660726005836131001032500276%7CMCAID%7CNONE%7CMCOPTOUT-1640567559s%7CNONE%7CvVersion%7C5.2.0; AMCV_94001C8B532957140A490D4D%40AdobeOrg=-1124106680%7CMCIDTS%7C18988%7CMCMID%7C76913534164341455390435376071204508177%7CMCAID%7CNONE%7CMCOPTOUT-1640567559s%7CNONE%7CvVersion%7C5.2.0; s_sq=subarumysubarucwpprod%3D%2526c.%2526a.%2526activitymap.%2526page%253Dlogin.html%2526link%253DLog%252520In%2526region%253DloginForm%2526pageIDType%253D1%2526.activitymap%2526.a%2526.c%2526pid%253Dlogin.html%2526pidt%253D1%2526oid%253DLog%252520In%2526oidt%253D3%2526ot%253DSUBMIT; JSESSIONID=9685CFEB7888A0E6E25239D559E3B580; X-Oracle-BMC-LBS-Route=89e3283ece707e8a0ba4850e1a622122e039fd3d27da03a11a2ff120e313e9b656c62fd8a7c42ae8061a49ad6e1caf63a49d7befe4ad2a0194b0aeca
	// Host: www.mysubaru.com
	// Referer: https://www.mysubaru.com/profile/authorizedDevices.html
	// User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/95.0.4638.69 Safari/537.36
	// X-Requested-With: XMLHttpRequest
	resp, err := c.httpClient.
		SetBaseURL(WEB_API_SERVER[c.country]).
		R().
		EnableTrace().
		Get(apiURLs["WEB_API_LIST_DEVICES"])

		// Explore response object
	fmt.Println("Response Info:")
	fmt.Println("  Error      :", err)
	fmt.Println("  Status Code:", resp.StatusCode())
	fmt.Println("  Status     :", resp.Status())
	fmt.Println("  Proto      :", resp.Proto())
	fmt.Println("  Time       :", resp.Duration())
	fmt.Println("  Received At:", resp.ReceivedAt())
	// fmt.Println("  Body       :\n", resp)
	fmt.Println()

	// Explore trace info
	fmt.Println("Request Trace Info:")
	ti := resp.Request.TraceInfo()
	fmt.Println("  DNSLookup     :", ti.DNSLookup)
	fmt.Println("  ConnTime      :", ti.ConnTime)
	fmt.Println("  TCPConnTime   :", ti.TCPConnTime)
	fmt.Println("  TLSHandshake  :", ti.TLSHandshake)
	fmt.Println("  ServerTime    :", ti.ServerTime)
	fmt.Println("  ResponseTime  :", ti.ResponseTime)
	fmt.Println("  TotalTime     :", ti.TotalTime)
	fmt.Println("  IsConnReused  :", ti.IsConnReused)
	fmt.Println("  IsConnWasIdle :", ti.IsConnWasIdle)
	fmt.Println("  ConnIdleTime  :", ti.ConnIdleTime)
	fmt.Println("  RequestAttempt:", ti.RequestAttempt)
	fmt.Println("  RemoteAddr    :", ti.RemoteAddr)

	// c.logger.Debug("LIST DEVICES OUTPUT", "body", string([]byte(resp.Body())))

	// c.httpClient.SetBaseURL(WEB_API_SERVER[c.country]).SetCookies(c.cookies)
	// reqURL := apiURLs["WEB_API_LIST_DEVICES"]
	// resp := c.execute(reqURL, GET, map[string]string{}, "", false)

	// if isResponseSuccessfull(resp) {
	// 	logger.Debugf("LIST DEVICES OUTPUT >> %v\n", string(resp))
	// }
}

// validateSession .
func (c *Client) validateSession() bool {
	// {
	// 	"success": true,
	// 	"errorCode": null,
	// 	"dataName": null,
	// 	"data": null
	// }
	reqURL := MOBILE_API_VERSION + apiURLs["API_VALIDATE_SESSION"]
	resp := c.execute(reqURL, GET, map[string]string{}, "", false)
	c.logger.Debug("http request output", "request", "GetVehicleStatus", "body", resp)

	var r Response
	err := json.Unmarshal(resp, &r)
	if err != nil {
		c.logger.Error("error while parsing json", "request", "GetClimatePresets", "error", err.Error())
	}

	if !r.Success {
		return false
	}
	return true

	// result = False
	// js_resp = await self.__open(API_VALIDATE_SESSION, GET)
	// _LOGGER.debug(pprint.pformat(js_resp))
	// if js_resp["success"]:
	//     if vin != self._current_vin:
	//         # API call for VIN that is not the current remote context.
	//         _LOGGER.debug("Switching Subaru API vehicle context to: %s", vin)
	//         if await self._select_vehicle(vin):
	//             result = True
	//     else:
	//         result = True

	// if result is False:
	//     await self._authenticate(vin)
	//     # New session cookie.  Must call selectVehicle.json before any other API call.
	//     if await self._select_vehicle(vin):
	//         result = True
}

// New function creates a New MySubaru client
func New(config *config.Config) (*Client, error) {

	client := &Client{
		credentials:    config.MySubaru.Credentials,
		country:        config.MySubaru.Region,
		updateInterval: 7200,
		fetchInterval:  360,
		logger:         config.Logger,
	}

	httpClient := resty.New()
	httpClient.
		SetBaseURL(MOBILE_API_SERVER[client.country]).
		SetHeaders(map[string]string{
			"User-Agent":       "Mozilla/5.0 (Linux; Android 10; Android SDK built for x86 Build/QSR1.191030.002; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/74.0.3729.185 Mobile Safari/537.36",
			"Origin":           "file://",
			"X-Requested-With": MOBILE_APP[client.country],
			"Accept-Language":  "en-US,en;q=0.9",
			"Accept-Encoding":  "gzip, deflate",
			"Accept":           "*/*"})

	client.httpClient = httpClient

	resp := client.auth()
	var r Response
	err := json.Unmarshal(resp, &r)
	if err != nil {
		client.logger.Error("error while parsing json", "request", "auth", "error", err.Error())
	}

	if r.Success {
		var sd SessionData
		err := json.Unmarshal(r.Data, &sd)
		if err != nil {
			client.logger.Error("error while parsing json", "request", "auth", "error", err.Error())
		}
		client.logger.Debug("unmarshaled json data", "request", "auth", "type", "sessionData", "body", sd)

		if client.isRegistered {
			client.logger.Debug("Client authentication successful", "isRegistered", sd.DeviceRegistered)
			client.isAuthenticated = true
			client.isRegistered = sd.DeviceRegistered
		} else {
			client.registerDevice()
		}

		client.logger.Debug("parcing cars assigned to the account", "quantity", len(sd.Vehicles))
		if len(sd.Vehicles) > 0 {
			for _, vehicle := range sd.Vehicles {
				client.logger.Debug("parsing car", "vin", vehicle.Vin)
				client.listOfVins = append(client.listOfVins, vehicle.Vin)
			}
			client.currentVin = client.listOfVins[0]
		} else {
			client.logger.Error("there no cars assigned to the account")
			return nil, err
		}
	} else {
		// TODO: Work on errors
		// error, _ := respParsed.Path("errorCode").Data().(string)
		// switch {
		// case error == apiErrors["ERROR_INVALID_ACCOUNT"]:
		// 	client.logger.Debug("Invalid account")
		// case error == apiErrors["ERROR_INVALID_CREDENTIALS"]:
		// 	client.logger.Debug("Client authentication failed")
		// case error == apiErrors["ERROR_PASSWORD_WARNING"]:
		// 	client.logger.Debug("Multiple Password Failures.")
		// default:
		// 	client.logger.Debug("Uknown error")
		// }
		client.logger.Error("request was not successfull", "request", "auth", "error", err.Error())
		return nil, err
	}
	return client, nil
}

// SelectVehicle .
func (c *Client) SelectVehicle(vin string) VehicleData {
	// API > json > dataName > vehicle
	if vin == "" {
		vin = c.currentVin
	}

	vinCheck(vin)

	params := map[string]string{
		"vin": vin,
		"_":   timestamp()}
	reqURL := MOBILE_API_VERSION + apiURLs["API_SELECT_VEHICLE"]
	resp := c.execute(reqURL, GET, params, "", false)
	c.logger.Debug("http request output", "request", "SelectVehicle", "body", resp)

	var r Response
	err := json.Unmarshal(resp, &r)
	if err != nil {
		c.logger.Error("error while parsing json", "request", "SelectVehicle", "error", err.Error())
	}

	if r.Success {
		var vd VehicleData
		err = json.Unmarshal(r.Data, &vd)
		if err != nil {
			c.logger.Error("error while parsing json", "request", "GetClimatePresets", "error", err.Error())
		}
		c.logger.Debug("http request output", "request", "GetVehicleStatus", "body", resp)

		return vd
	} else {
		return VehicleData{}
	}

	// resp := c.execute(reqURL, GET, params, "", false)
	// logger.Debugf("SELECT VEHICLE OUTPUT >> %v\n", string([]byte(resp)))

	// ERRORS
	// {"success":false,"errorCode":"vehicleNotInAccount","dataName":null,"data":null}

	// """Select active vehicle for accounts with multiple VINs."""
	// params = {"vin": vin, "_": int(time.time())}
	// js_resp = await self.get(API_SELECT_VEHICLE, params=params)
	// _LOGGER.debug(pprint.pformat(js_resp))
	// if js_resp.get("success"):
	//     self._current_vin = vin
	//     _LOGGER.debug("Current vehicle: vin=%s", js_resp["data"]["vin"])
	//     return js_resp["data"]
	// if not js_resp.get("success") and js_resp.get("errorCode") == "VEHICLESETUPERROR":
	//     # Occasionally happens every few hours. Resetting the session seems to deal with it.
	//     _LOGGER.warning("VEHICLESETUPERROR received. Resetting session.")
	//     self.reset_session()
	//     return False
	// _LOGGER.debug("Failed to switch vehicle errorCode=%s", js_resp.get("errorCode"))
	// # Something else is probably wrong with the backend server context - try resetting
	// self.reset_session()
	// raise SubaruException("Failed to switch vehicle %s - resetting session." % js_resp.get("errorCode"))
}

// GetVehicles .
func (c *Client) GetVehicles() []*Vehicle {
	var vehicles []*Vehicle
	for _, vin := range c.listOfVins {
		vehicle := c.GetVehicleByVIN(vin)
		vehicles = append(vehicles, vehicle)
	}
	return vehicles
}

// GetVehicleByVIN .
func (c *Client) GetVehicleByVIN(vin string) *Vehicle {
	var vehicle *Vehicle
	if contains(c.listOfVins, vin) {
		params := map[string]string{
			"vin": vin,
			"_":   timestamp()}
		reqURL := MOBILE_API_VERSION + apiURLs["API_SELECT_VEHICLE"]
		resp := c.execute(reqURL, GET, params, "", false)
		c.logger.Debug("http request output", "request", "GetVehicleByVIN", "body", resp)

		var r Response
		err := json.Unmarshal(resp, &r)
		if err != nil {
			c.logger.Error("error while parsing json", "request", "GetVehicleByVIN", "error", err.Error())
		}

		if r.Success {
			var vd VehicleData
			err = json.Unmarshal(r.Data, &vd)
			if err != nil {
				c.logger.Error("error while parsing json", "request", "GetVehicleByVIN", "error", err.Error())
			}
			c.logger.Debug("http request output", "request", "GetVehicleByVIN", "body", resp)

			vehicle = &Vehicle{
				Vin:                  vin,
				CarName:              vd.VehicleName,
				CarNickname:          vd.Nickname,
				ModelName:            vd.ModelName,
				ModelYear:            vd.ModelYear,
				ModelCode:            vd.ModelCode,
				ExtDescrip:           vd.ExtDescrip,
				IntDescrip:           vd.IntDescrip,
				TransCode:            vd.TransCode,
				EngineSize:           vd.EngineSize,
				VehicleKey:           vd.VehicleKey,
				LicensePlate:         vd.LicensePlate,
				LicensePlateState:    vd.LicensePlateState,
				Features:             vd.Features,
				SubscriptionFeatures: vd.SubscriptionFeatures,
				client:               c,
			}
			vehicle.Doors = make(map[string]Door)
			vehicle.Windows = make(map[string]Window)
			vehicle.Tires = make(map[string]Tire)
			vehicle.ClimateProfiles = make(map[string]ClimateProfile)

			vehicle.GetVehicleStatus()
			vehicle.GetVehicleCondition()
			vehicle.GetVehicleHealth()
			vehicle.GetClimatePresets()
			vehicle.GetClimateUserPresets()
			vehicle.GetClimateQuickPresets()

			return vehicle
		}
	}
	c.logger.Error("error while parsing json", "request", "GetVehicleByVIN")
	return &Vehicle{}
}

// func isPINRequired()          {}
// func getVehicles()            {}
// func getEVStatus()            {}
// func getRemoteOptionsStatus() {}
// func getRemoteStartStatus()   {}
// func getSafetyStatus()        {}
// func getSubscriptionStatus()  {}
// func getAPIGen()              {}
// func getClimateData()         {}
// func saveClimateSettings()    {}
// func getVehicleName()         {}
// func fetch()                  {}

// Exec method executes a Client instance with the API URL
func (c *Client) execute(requestUrl string, method string, params map[string]string, pollingUrl string, j bool) []byte {
	defer timeTrack("[TIMETRK] Executing Get Request")

	var resp *resty.Response

	// GET Requests
	if method == "GET" {
		resp, _ = c.httpClient.
			R().
			SetQueryParams(params).
			Get(requestUrl)
	}

	// POST Requests
	if method == "POST" {
		if j {
			// POST > JSON Body
			resp, _ = c.httpClient.
				R().
				SetBody(params).
				Post(requestUrl)
		} else {
			// POST > Form Data
			resp, _ = c.httpClient.
				R().
				SetFormData(params).
				Post(requestUrl)
		}
	}
	resBytes, err := io.ReadAll(resp.Body)
	if err != nil {
		c.logger.Error("error while getting body", "error", err.Error())
	}

	var r Response
	err = json.Unmarshal(resBytes, &r)
	if err != nil {
		c.logger.Error("error while parsing json", "request", "execute", "method", method, "url", requestUrl, "error", err.Error())
	}
	c.logger.Debug("parsed http request output", "request", "HTTP POLLING", "body", r)

	if r.Success {
		var sr ServiceRequest
		err := json.Unmarshal(r.Data, &sr)
		if err != nil {
			c.logger.Error("error while parsing json", "request", "HTTP POLLING", "error", err.Error())
		}

		if pollingUrl != "" {
			time.Sleep(3 * time.Second)
			attempts := 20
		poolingLoop:
			for attempts > 0 {
				resp, _ = c.httpClient.
					SetBaseURL(MOBILE_API_SERVER[c.country]).
					R().
					SetQueryParams(map[string]string{
						"serviceRequestId": sr.ServiceRequestID,
					}).
					Get(pollingUrl)
				resBytes, _ := io.ReadAll(resp.Body)
				c.logger.Debug("POLLING HTTP OUTPUT", "body", string(resBytes))
				// {"success":false,"errorCode":"404-soa-unableToParseResponseBody","dataName":"errorResponse","data":{"errorLabel":"404-soa-unableToParseResponseBody","errorDescription":null}}

				var r Response
				err := json.Unmarshal(resBytes, &r)
				if err != nil {
					c.logger.Error("error while parsing json", "request", "HTTP POLLING", "error", err.Error())
				}
				c.logger.Debug("parsed loop http request output", "request", "HTTP POLLING", "body", r)

				if r.Success {
					var sr ServiceRequest
					err := json.Unmarshal(r.Data, &sr)
					if err != nil {
						c.logger.Error("error while parsing json", "request", "HTTP POLLING", "error", err.Error())
					}
					switch {
					case sr.RemoteServiceState == "finished":
						c.logger.Debug("Remote service request completed successfully", "request id", sr.ServiceRequestID)
						break poolingLoop
					case sr.RemoteServiceState == "started":
						c.logger.Debug("Subaru API reports remote service request is in progress", "request id", sr.ServiceRequestID)
					}
				} else {
					c.logger.Debug("Backend session expired, please try again")
					break poolingLoop
				}
				attempts--
				time.Sleep(3 * time.Second)
			}
		}
	} else {
		c.logger.Error("request is not successfull", "request", "execute", "method", method, "url", requestUrl, "error", err.Error())
	}

	return resBytes
}

// // isResponseSuccessfull .
// func (c *Client) isResponseSuccessfull(resp []byte) bool {
// 	respParsed, err := gabs.ParseJSON(resp)
// 	if err != nil {
// 		c.logger.Debug("error while parsing json response", "error", err)
// 	}

// 	success, ok := respParsed.Path("success").Data().(bool)
// 	if !ok {
// 		c.logger.Debug("response is not successful", "error", resp)
// 	}

// 	// ERRORS FROM CLIENT CREATION AFTER AUTH
// 	// error, _ := respParsed.Path("errorCode").Data().(string)
// 	// switch {
// 	// case error == apiErrors["ERROR_INVALID_ACCOUNT"]:
// 	// 	fmt.Println("Invalid account")
// 	// case error == apiErrors["ERROR_INVALID_CREDENTIALS"]:
// 	// {"success":false,"errorCode":"InvalidCredentials","dataName":"remoteServiceStatus","data":{"serviceRequestId":null,"success":false,"cancelled":false,"remoteServiceType":null,"remoteServiceState":null,"subState":null,"errorCode":null,"result":null,"updateTime":null,"vin":null,"errorDescription":"The credentials supplied are invalid, tries left 2"}}
// 	// 	fmt.Println("Client authentication failed")
// 	// case error == apiErrors["ERROR_PASSWORD_WARNING"]:
// 	// 	fmt.Println("Multiple Password Failures.")
// 	// default:
// 	// 	fmt.Println("Uknown error")
// 	// }

// 	return success
// }