qwen

type AudioContent struct {
	Audio string `json:"audio,omitempty"`
	Text  string `json:"text,omitempty"`
}

type AudioContentList []AudioContent

type CertOutput struct {
	Policy              string `json:"policy"`
	Signature           string `json:"signature"`
	UploadDir           string `json:"upload_dir"`
	UploadHost          string `json:"upload_host"`
	ExpireInSeconds     int    `json:"expire_in_seconds"`
	MaxFileSizeMB       int    `json:"max_file_size_mb"`
	CapacityLimitMB     int    `json:"capacity_limit_mb"`
	OSSAccessKeyID      string `json:"oss_access_key_id"`
	XOSSObjectACL       string `json:"x_oss_object_acl"`
	XOSSForbidOverwrite string `json:"x_oss_forbid_overwrite"`
}

type CertResponse struct {
	RequestID string     `json:"request_id"`
	Data      CertOutput `json:"data"`
}

type Choice[T IQwenContent] struct {
	Message      Message[T]   `json:"message,omitempty"`
	Messages     []Message[T] `json:"messages,omitempty"` // TODO: 部分 plugin 会返回message列表.
	FinishReason string       `json:"finish_reason"`
}

type FileContent struct {
	File string `json:"file,omitempty"`
	Text string `json:"text,omitempty"`
}

type FileContentList []FileContent

type IBlobContent interface {
	GetBlob() string
}

type IBlobListConvert interface {
	ConvertToBlobList() []IBlobContent
}

type IQwenContent interface {
	*TextContent | *VLContentList | *AudioContentList | *FileContentList
	IQwenContentMethods
}

type IQwenContentMethods interface {
	ToBytes() []byte
	ToString() string
	SetText(text string)
	AppendText(text string)
	SetBlob(url string)
}

type Input[T IQwenContent] struct {
	Messages []Message[T] `json:"messages"`
}

type Message[T IQwenContent] struct {
	Role    string `json:"role"`
	Content T      `json:"content"`
	// plugin parameters
	Name       *string     `json:"name,omitempty"`
	PluginCall *PluginCall `json:"plugin_call,omitempty"`
}

type ModelQwen = string

type Output[T IQwenContent] struct {
	Choices []Choice[T] `json:"choices"`
}

type OutputResponse[T IQwenContent] struct {
	Output    Output[T] `json:"output"`
	Usage     Usage     `json:"usage"`
	RequestID string    `json:"request_id"`
}

type Parameters struct {
	ResultFormat      string  `json:"result_format,omitempty"`
	Seed              int     `json:"seed,omitempty"`
	MaxTokens         int     `json:"max_tokens,omitempty"`
	TopP              float64 `json:"top_p,omitempty"`
	TopK              int     `json:"top_k,omitempty"`
	Temperature       float64 `json:"temperature,omitempty"`
	EnableSearch      bool    `json:"enable_search,omitempty"`
	IncrementalOutput bool    `json:"incremental_output,omitempty"`
}

type PluginCall struct {
	Name      string `json:"name"`
	Arguments string `json:"arguments"` // TODO: 临时使用string...后续设计通用 interface 方便自定义扩展.
}

type Plugins map[string]map[string]any

type Request[T IQwenContent] struct {
	Model      string      `json:"model"`
	Input      Input[T]    `json:"input"`
	Parameters *Parameters `json:"parameters,omitempty"`
	// streaming callback function.
	StreamingFn StreamingFunc `json:"-"`
	// qwen-vl model need to upload image to oss for recognition.
	HasUploadOss bool `json:"-"`
	// plugin
	Plugins Plugins `json:"-"`
}

type RoleType = string

type StreamOutput[T IQwenContent] struct {
	ID         string            `json:"id"`
	Event      string            `json:"event"`
	HTTPStatus int               `json:"http_status"`
	Output     OutputResponse[T] `json:"output"`
	Err        error             `json:"error"`
}

type StreamingFunc func(ctx context.Context, chunk []byte) error

type TextContent struct {
	Text string
}

type UploadRequest struct {
	File []byte `json:"file"`
}

type Usage struct {
	TotalTokens  int `json:"total_tokens"`
	InputTokens  int `json:"input_tokens"`
	OutputTokens int `json:"output_tokens"`
}

type VLContent struct {
	Image string `json:"image,omitempty"`
	Text  string `json:"text,omitempty"`
}

type VLContentList []VLContent

type WrapMessageError struct {
	Message string
	Cause   error
}