package llm

import (
	anthProvider "gitea.stevedudenhoeffer.com/steve/go-llm/v2/anthropic"
	deepseekProvider "gitea.stevedudenhoeffer.com/steve/go-llm/v2/deepseek"
	googleProvider "gitea.stevedudenhoeffer.com/steve/go-llm/v2/google"
	groqProvider "gitea.stevedudenhoeffer.com/steve/go-llm/v2/groq"
	moonshotProvider "gitea.stevedudenhoeffer.com/steve/go-llm/v2/moonshot"
	ollamaProvider "gitea.stevedudenhoeffer.com/steve/go-llm/v2/ollama"
	openaiProvider "gitea.stevedudenhoeffer.com/steve/go-llm/v2/openai"
	xaiProvider "gitea.stevedudenhoeffer.com/steve/go-llm/v2/xai"
)

// OpenAI creates an OpenAI client.
//
// Example:
//
//	model := llm.OpenAI("sk-...").Model("gpt-4o")
func OpenAI(apiKey string, opts ...ClientOption) *Client {
	cfg := &clientConfig{}
	for _, opt := range opts {
		opt(cfg)
	}
	return NewClient(openaiProvider.New(apiKey, cfg.baseURL))
}

// Anthropic creates an Anthropic client.
//
// Example:
//
//	model := llm.Anthropic("sk-ant-...").Model("claude-sonnet-4-20250514")
func Anthropic(apiKey string, opts ...ClientOption) *Client {
	cfg := &clientConfig{}
	for _, opt := range opts {
		opt(cfg)
	}
	_ = cfg // Anthropic doesn't support custom base URL in the SDK
	return NewClient(anthProvider.New(apiKey))
}

// Google creates a Google (Gemini) client.
//
// Example:
//
//	model := llm.Google("...").Model("gemini-2.0-flash")
func Google(apiKey string, opts ...ClientOption) *Client {
	cfg := &clientConfig{}
	for _, opt := range opts {
		opt(cfg)
	}
	_ = cfg // Google doesn't support custom base URL in the SDK
	return NewClient(googleProvider.New(apiKey))
}

// DeepSeek creates a DeepSeek client (OpenAI-compatible).
//
// Example:
//
//	model := llm.DeepSeek("sk-...").Model("deepseek-chat")
func DeepSeek(apiKey string, opts ...ClientOption) *Client {
	cfg := &clientConfig{}
	for _, opt := range opts {
		opt(cfg)
	}
	return NewClient(deepseekProvider.New(apiKey, cfg.baseURL))
}

// Moonshot creates a Moonshot AI (Kimi) client (OpenAI-compatible).
//
// Example:
//
//	model := llm.Moonshot("sk-...").Model("kimi-k2-0711-preview")
func Moonshot(apiKey string, opts ...ClientOption) *Client {
	cfg := &clientConfig{}
	for _, opt := range opts {
		opt(cfg)
	}
	return NewClient(moonshotProvider.New(apiKey, cfg.baseURL))
}

// XAI creates an xAI (Grok) client (OpenAI-compatible).
//
// Example:
//
//	model := llm.XAI("xai-...").Model("grok-2")
func XAI(apiKey string, opts ...ClientOption) *Client {
	cfg := &clientConfig{}
	for _, opt := range opts {
		opt(cfg)
	}
	return NewClient(xaiProvider.New(apiKey, cfg.baseURL))
}

// Groq creates a Groq client (OpenAI-compatible).
//
// Example:
//
//	model := llm.Groq("gsk-...").Model("llama-3.3-70b-versatile")
func Groq(apiKey string, opts ...ClientOption) *Client {
	cfg := &clientConfig{}
	for _, opt := range opts {
		opt(cfg)
	}
	return NewClient(groqProvider.New(apiKey, cfg.baseURL))
}

// Ollama creates a client for a local Ollama instance using the native
// /api/chat endpoint. No API key is required. Use WithBaseURL to point at a
// non-default host/port.
//
// Example:
//
//	model := llm.Ollama().Model("llama3.2")
func Ollama(opts ...ClientOption) *Client {
	cfg := &clientConfig{}
	for _, opt := range opts {
		opt(cfg)
	}
	return NewClient(ollamaProvider.New("", cfg.baseURL))
}

// OllamaCloud creates a client targeting Ollama Cloud (https://ollama.com).
// The apiKey is required and is sent as `Authorization: Bearer <key>`. Use
// WithBaseURL to point at a private Ollama deployment that requires auth.
//
// Example:
//
//	model := llm.OllamaCloud(os.Getenv("OLLAMA_API_KEY")).Model("kimi-k2.5")
func OllamaCloud(apiKey string, opts ...ClientOption) *Client {
	cfg := &clientConfig{}
	for _, opt := range opts {
		opt(cfg)
	}
	baseURL := cfg.baseURL
	if baseURL == "" {
		baseURL = ollamaProvider.DefaultCloudBaseURL
	}
	return NewClient(ollamaProvider.New(apiKey, baseURL))
}