Feature/3 provider openai (#13)

* init

* fix: remove package

* #3: project organization

* #3-feat: build chat api

* #3 rename func

* Remove unused dependencies from go.sum

* #3: Add .env to .gitignore

---------

Co-authored-by: Max <mkrueger190@gmail.com>

.gitignore

@@ -1,2 +1,3 @@
 .idea
 dist
+.env

go.mod

@@ -1,3 +1,4 @@
 module glide
 
 go 1.21.5
+

pkg/providers/openai/api.go

@@ -0,0 +1,28 @@
+package openai
+
+import (
+	"fmt"
+	"net/http"
+)
+
+type ProviderAPIConfig struct {
+	BaseURL      string
+	Headers      func(string) http.Header
+	Complete     string
+	Chat string
+	Embed        string
+}
+
+func OpenAIAPIConfig(APIKey string) *ProviderAPIConfig {
+	return &ProviderAPIConfig{
+		BaseURL: "https://api.openai.com/v1",
+		Headers: func(APIKey string) http.Header {
+			headers := make(http.Header)
+			headers.Set("Authorization", fmt.Sprintf("Bearer %s", APIKey))
+			return headers
+		},
+		Complete:     "/completions",
+		Chat: "/chat/completions",
+		Embed:        "/embeddings",
+	}
+}

pkg/providers/openai/chat.go

@@ -0,0 +1,119 @@
+package openai
+
+type ProviderConfig struct {
+	Model            ConfigItem          `json:"model"`
+	Messages         ConfigItem          `json:"messages"`
+	Functions        ConfigItem          `json:"functions"`
+	FunctionCall     ConfigItem          `json:"function_call"`
+	MaxTokens        NumericConfigItem   `json:"max_tokens"`
+	Temperature      NumericConfigItem   `json:"temperature"`
+	TopP             NumericConfigItem   `json:"top_p"`
+	N                NumericConfigItem   `json:"n"`
+	Stream           BoolConfigItem      `json:"stream"`
+	Stop             ConfigItem          `json:"stop"`
+	PresencePenalty  NumericConfigItem   `json:"presence_penalty"`
+	FrequencyPenalty NumericConfigItem   `json:"frequency_penalty"`
+	LogitBias        ConfigItem          `json:"logit_bias"`
+	User             ConfigItem          `json:"user"`
+	Seed             ConfigItem          `json:"seed"`
+	Tools            ConfigItem          `json:"tools"`
+	ToolChoice       ConfigItem          `json:"tool_choice"`
+	ResponseFormat   ConfigItem          `json:"response_format"`
+}
+
+type ConfigItem struct {
+	Param    string      `json:"param"`
+	Required bool        `json:"required,omitempty"`
+	Default  interface{} `json:"default,omitempty"`
+	Min      interface{} `json:"min,omitempty"`
+	Max      interface{} `json:"max,omitempty"`
+}
+
+type NumericConfigItem struct {
+	Param   string    `json:"param"`
+	Default float64   `json:"default,omitempty"`
+	Min     float64   `json:"min,omitempty"`
+	Max     float64   `json:"max,omitempty"`
+}
+
+type BoolConfigItem struct {
+	Param   string `json:"param"`
+	Default bool   `json:"default,omitempty"`
+}
+
+// DefaultProviderConfig returns an instance of ProviderConfig with default values.
+func OpenAiDefaultConfig() ProviderConfig {
+	return ProviderConfig{
+		Model: ConfigItem{
+			Param:    "model",
+			Required: true,
+			Default:  "gpt-3.5-turbo",
+		},
+		Messages: ConfigItem{
+			Param:   "messages",
+			Default: "",
+		},
+		Functions: ConfigItem{
+			Param: "functions",
+		},
+		FunctionCall: ConfigItem{
+			Param: "function_call",
+		},
+		MaxTokens: NumericConfigItem{
+			Param:   "max_tokens",
+			Default: 100,
+			Min:     0,
+		},
+		Temperature: NumericConfigItem{
+			Param:   "temperature",
+			Default: 1,
+			Min:     0,
+			Max:     2,
+		},
+		TopP: NumericConfigItem{
+			Param:   "top_p",
+			Default: 1,
+			Min:     0,
+			Max:     1,
+		},
+		N: NumericConfigItem{
+			Param:   "n",
+			Default: 1,
+		},
+		Stream: BoolConfigItem{
+			Param:   "stream",
+			Default: false,
+		},
+		Stop: ConfigItem{
+			Param: "stop",
+		},
+		PresencePenalty: NumericConfigItem{
+			Param: "presence_penalty",
+			Min:   -2,
+			Max:   2,
+		},
+		FrequencyPenalty: NumericConfigItem{
+			Param: "frequency_penalty",
+			Min:   -2,
+			Max:   2,
+		},
+		LogitBias: ConfigItem{
+			Param: "logit_bias",
+		},
+		User: ConfigItem{
+			Param: "user",
+		},
+		Seed: ConfigItem{
+			Param: "seed",
+		},
+		Tools: ConfigItem{
+			Param: "tools",
+		},
+		ToolChoice: ConfigItem{
+			Param: "tool_choice",
+		},
+		ResponseFormat: ConfigItem{
+			Param: "response_format",
+		},
+	}
+}