spec

type API struct {
	Handlers []*ApiHandler `yaml:"handlers"`
}

type ApiAction struct {
	SendMessage *MessageReply `yaml:"send-message"`
	ChatID      OptUint64     `yaml:"chat-id"`
}

type ApiConfig struct {
	Address string `yaml:"address"`
}

type ApiHandler struct {
	ID      string       `yaml:"id"`
	Actions []*ApiAction `yaml:"actions"`
}

type AssetsConfig struct {
	Provider string            `yaml:"provider"`
	Params   map[string]string `yaml:"params"`
}

type Bot struct {
	Token    string            `yaml:"token" env:"BOT_TOKEN"`
	Config   *Config           `yaml:"config"`
	State    map[string]string `yaml:"state"`
	Debug    bool              `yaml:"debug"`
	Handlers []*Handler        `yaml:"handlers"`
	Api      *API              `yaml:"api"`
}

type CallbackReply struct {
	Text  string `yaml:"text"`
	Alert bool   `yaml:"alert"`
}

type CallbackTrigger struct {
	Data string
}

type Check string

type Config struct {
	Api              *ApiConfig         `yaml:"api"`
	Persistence      *PersistenceConfig `yaml:"persistence"`
	Assets           *AssetsConfig      `yaml:"assets"`
	PaymentProviders []PaymentProvider  `yaml:"paymentProviders"`
}

type Context struct {
	Set    string `yaml:"set"`
	Delete string `yaml:"delete"`
}

type DBConfig struct {
	User     string `yaml:"user"`
	Password string `yaml:"password"`
	Host     string `yaml:"host"`
	Port     int    `yaml:"port"`
	Database string `yaml:"database"`
	NoSSL    bool   `yaml:"no_ssl"`
}

type Data struct {
	Fetch *DataFetch `yaml:"fetch"`
}

type DataFetch struct {
	Method  string            `yaml:"method"`
	URL     string            `yaml:"url"`
	Headers map[string]string `yaml:"headers"`
}

type Edit struct {
	Message *EditMessage `yaml:"message"`
}

type EditMessage struct {
	Caption        string           `yaml:"caption"`
	Text           string           `yaml:"text"`
	InlineKeyboard [][]InlineButton `yaml:"inlineKeyboard"`
	Template       TemplateStyle    `yaml:"template"`
}

type FileReply struct {
	Name string `yaml:"name"`
	Key  string `yaml:"key"`
}

type Handler struct {
	Trigger  *Trigger    `yaml:"on"`
	Replies  []*Reply    `yaml:"reply"`
	Webhook  *Webhook    `yaml:"webhook"`
	State    *State      `yaml:"state"`
	Context  *Context    `yaml:"context"`
	Data     *Data       `yaml:"data"`
	Validate *Validators `yaml:"validate"`
}

type InlineButton struct {
	Text     string `yaml:"text"`
	URL      string `yaml:"url"`
	Callback string `yaml:"callback"`
}

type Invoice struct {
	// Provider is a payment provider name.
	Provider string `yaml:"provider"`
	// Title of the product
	Title string `yaml:"title"`
	// Description of the product
	Description string `yaml:"description"`
	// Unique bot deep-linking parameter that can be used to generate this invoice
	Payload string `yaml:"payload"`
	// Three-letter ISO 4217 currency code
	Currency string `yaml:"currency"`
	// Price breakdown, a list of components (e.g. product price, tax, discount, delivery cost, delivery tax, bonus, etc.)
	Prices []Price `yaml:"prices"`
}

type MessageReply struct {
	Text      string
	ParseMode ParseMode
	Markup    *ReplyMarkup
	Template  TemplateStyle
}

type MessageTrigger struct {
	Text    []string
	Command string
}

type OptBool struct {
	Value bool
	Valid bool
}

type OptUint64 struct {
	Value uint64
	Valid bool
}

type ParseMode string

type PaymentProvider struct {
	Name  string `yaml:"name"`
	Token string `yaml:"token"`
}

type PersistenceConfig struct {
	Type     PersistenceType `yaml:"type"`
	DBConfig *DBConfig       `yaml:"db_config"`
}

type PersistenceType string

type PostCheckoutTrigger struct {
	InvoicePayload string `yaml:"invoicePayload"`
}

type PreCheckoutAnswer struct {
	Ok           bool   `yaml:"ok"`
	ErrorMessage string `yaml:"errorMessage"`
}

type PreCheckoutTrigger struct {
	InvoicePayload string `yaml:"invoicePayload"`
}

type Price struct {
	// Label of the price
	Label string `yaml:"label"`
	// Price in the smallest units of the currency (integer, not float/double).
	Amount string `yaml:"amount"`
}

type Reply struct {
	Message     *MessageReply      `yaml:"message"`
	Callback    *CallbackReply     `yaml:"callback"`
	Edit        *Edit              `yaml:"edit"`
	Delete      bool               `yaml:"delete"`
	Image       *FileReply         `yaml:"image"`
	Document    *FileReply         `yaml:"document"`
	Invoice     *Invoice           `yaml:"invoice"`
	PreCheckout *PreCheckoutAnswer `yaml:"preCheckout"`
}

type ReplyMarkup struct {
	Keyboard       [][]string       `yaml:"keyboard"`
	InlineKeyboard [][]InlineButton `yaml:"inlineKeyboard"`
}

type Spec struct {
	Bot *Bot `yaml:"bot"`
}

type State struct {
	Set    map[string]string `yaml:"set"`
	Delete Strings           `yaml:"delete"`
	Ops    []StateUpdateOp   `yaml:"ops"`
}

type StateCondition struct {
	Key     string  `yaml:"key"`
	Present OptBool `yaml:"present"`
	Eq      string  `yaml:"eq"`
	NEq     string  `yaml:"neq"`
}

type StateUpdateOp struct {
	Kind  StateUpdateOpKind `yaml:"kind"`
	Key   string            `yaml:"key"`
	Value string            `yaml:"value"`
}

type StateUpdateOpKind string

type Strings []string

type TemplateStyle string

type Trigger struct {
	Message      *MessageTrigger      `yaml:"message"`
	Callback     *CallbackTrigger     `yaml:"callback"`
	Context      string               `yaml:"context"`
	PreCheckout  *PreCheckoutTrigger  `yaml:"preCheckout"`
	PostCheckout *PostCheckoutTrigger `yaml:"postCheckout"`
	State        []StateCondition     `yaml:"state"`
}

type Validators struct {
	// ErrorMessage is a message to send if validation fails.
	ErrorMessage string `yaml:"error_message"`
	// Checks is a list of checks to perform.
	Checks []Check `yaml:"checks"`
}

type Webhook struct {
	URL     *url.URL          `yaml:"url"`
	Method  string            `yaml:"method"`
	Headers map[string]string `yaml:"headers"`
	Data    map[string]string `yaml:"data"`
}