package arlo

import (
	"context"
	"fmt"
	"time"
)

const eventStreamTimeout = 30 * time.Second
const pingTime = 30 * time.Second

// A Basestation is a Device that's not type "camera" (basestation, arloq, arloqs, etc.).
// This type is here just for semantics. Some methods explicitly require a device of a certain type.
type Basestation struct {
	arlo *Arlo
	Device
}

type GetModesResponse struct {
	Active string  `json:"active"`
	Modes  []*Mode `json:"modes"`
}
type Mode struct {
	Name     string   `json:"name"`
	Type     string   `json:"type,omitempty"`
	RulesIds []string `json:"rules"`
	ID       string   `json:"id"`
}

type GetRulesResponse struct {
	Rules []Rule `json:"rules"`
}

type Rule struct {
	Name      string `json:"name"`
	Protected bool   `json:"protected"`
	Triggers  []struct {
		Type        string `json:"type"`
		DeviceID    string `json:"deviceId"`
		Sensitivity int    `json:"sensitivity"`
	} `json:"triggers"`
	Actions []struct {
		Type          string   `json:"type"`
		Recipients    []string `json:"recipients,omitempty"`
		DeviceID      string   `json:"deviceId,omitempty"`
		StopCondition struct {
			Type     string `json:"type"`
			DeviceID string `json:"deviceId"`
		} `json:"stopCondition,omitempty"`
	} `json:"actions"`
	ID string `json:"id"`
}

type CalendarMode struct {
	Active   bool `json:"active"`
	Schedule []struct {
		ModeID    string `json:"modeId"`
		StartTime int    `json:"startTime"`
	} `json:"schedule"`
}

func NewBaseStation(arlo *Arlo, device Device) *Basestation {
	return &Basestation{
		arlo:   arlo,
		Device: device,
	}
}

// makeEventStreamRequest is a helper function sets up a response channel, sends a message to the event stream, and blocks waiting for the response.

func (b *Basestation) GetState(ctx context.Context) (*BaseStationState, error) {
	var state BaseStationState
	err := b.arlo.makeRequest(ctx, b.DeviceId, b.XCloudId, "get", "basestation", false, nil, &state)
	if err != nil {
		return nil, fmt.Errorf("getting basestation %s state: %v", b.DeviceName, err)
	}
	return &state, nil
}

func (b *Basestation) GetAllCameraState(ctx context.Context) ([]CameraState, error) {
	var states []CameraState
	err := b.arlo.makeRequest(ctx, b.DeviceId, b.XCloudId, "get", "cameras", false, nil, &states)
	if err != nil {
		return nil, fmt.Errorf("getting associated cameras state: %v", err)
	}
	return states, nil
}

func (b *Basestation) GetRules(ctx context.Context) ([]Rule, error) {
	var resp GetRulesResponse
	err := b.arlo.makeRequest(ctx, b.DeviceId, b.XCloudId, "get", "rules", false, nil, &resp)
	if err != nil {
		return nil, fmt.Errorf("getting rules: %v", err)
	}
	return resp.Rules, nil
}

func (b *Basestation) GetCalendarMode(ctx context.Context) (*CalendarMode, error) {
	var calendarMode CalendarMode
	err := b.arlo.makeRequest(ctx, b.DeviceId, b.XCloudId, "get", "schedule", false, nil, &calendarMode)
	if err != nil {
		return nil, fmt.Errorf("getting calendar mode: %v", err)
	}
	return &calendarMode, nil
}

// SetCalendarMode toggles calendar mode.
// NOTE: The Arlo API seems to disable calendar mode when switching to other modes, if it's enabled.
// You should probably do the same, although, the UI reflects the switch from calendar mode to say armed mode without explicitly setting calendar mode to inactive.
func (b *Basestation) SetCalendarMode(ctx context.Context, active bool) error {
	resp := make(map[string]bool)
	err := b.arlo.makeRequest(ctx, b.DeviceId, b.XCloudId, "set", "schedule", true, struct {
		Active bool `json:"active"`
	}{
		Active: active,
	}, &resp)
	if err != nil {
		return fmt.Errorf("setting calendar mode %t: %v", active, err)
	}
	activemode, ok := resp["active"]
	if !ok {
		return fmt.Errorf("active mode not present in response")
	}
	if activemode != active {
		return fmt.Errorf("active mode is not the mode requested: requested %t, set %t", active, activemode)
	}
	return nil
}

func (b *Basestation) GetModes(ctx context.Context) (*GetModesResponse, error) {
	var resp GetModesResponse
	err := b.arlo.makeRequest(ctx, b.DeviceId, b.XCloudId, "get", "modes", false, nil, &resp)
	if err != nil {
		return nil, fmt.Errorf("getting modes: %v", err)
	}
	return &resp, nil
}

func (b *Basestation) SetCustomMode(ctx context.Context, mode string) error {
	resp := make(map[string]string)
	err := b.arlo.makeRequest(ctx, b.DeviceId, b.XCloudId, "set", "modes", true, struct {
		Active string `json:"active"`
	}{
		Active: mode,
	}, &resp)
	if err != nil {
		return fmt.Errorf("setting custom mode %s: %v", mode, err)
	}
	activemode, ok := resp["active"]
	if !ok {
		return fmt.Errorf("active mode not present in response")
	}
	if activemode != mode {
		return fmt.Errorf("active mode is not the mode requested: requested %s, set %s", mode, activemode)
	}
	return nil
}

func (b *Basestation) DeleteMode(ctx context.Context, mode string) error {
	err := b.arlo.makeRequest(ctx, b.DeviceId, b.XCloudId, "delete", fmt.Sprintf("modes/%s", mode), true, nil, nil)
	if err != nil {
		return fmt.Errorf("deleting mode %s: %v", mode, err)
	}
	return nil
}

func (b *Basestation) Arm(ctx context.Context) error {
	err := b.SetCustomMode(ctx, "mode1")
	if err != nil {
		return fmt.Errorf("arming (mode1): %v", err)
	}
	return nil
}

func (b *Basestation) Disarm(ctx context.Context) error {
	err := b.SetCustomMode(ctx, "mode0")
	if err != nil {
		return fmt.Errorf("disarming (mode0): %v", err)
	}
	return nil
}

type SetSirenResponse struct {
	SirenState   string `json:"sirenState"`
	SirenTrigger string `json:"sirenTrigger"`
	Duration     int    `json:"duration"`
	Timestamp    int64  `json:"timestamp"`
}

func (b *Basestation) SirenOn(ctx context.Context) error {
	var response SetSirenResponse
	err := b.arlo.makeRequest(ctx, b.DeviceId, b.XCloudId, "set", "siren", true, SirenProperties{
		SirenState: "on",
		Duration:   300,
		Volume:     8,
		Pattern:    "alarm",
	}, &response)
	if err != nil {
		return fmt.Errorf("making request: %v", err)
	}
	if response.SirenState != "on" {
		return fmt.Errorf("siren not on in response")
	}
	return nil
}

func (b *Basestation) SirenOff(ctx context.Context) error {
	var response SetSirenResponse
	err := b.arlo.makeRequest(ctx, b.DeviceId, b.XCloudId, "set", "siren", true, SirenProperties{
		SirenState: "off",
		Duration:   300,
		Volume:     8,
		Pattern:    "alarm",
	}, &response)
	if err != nil {
		return fmt.Errorf("making request: %v", err)
	}
	if response.SirenState != "off" {
		return fmt.Errorf("siren not off in response")
	}
	return nil
}