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|
package appconfig
import (
"log"
"os"
"strconv"
"strings"
)
// --- Environment overrides ---
// loadFromEnv constructs an App containing only fields set via HEXAI_* env vars.
// These values should take precedence over file config when merged.
func loadFromEnv(logger *log.Logger) *App {
var out App
any := applyCoreEnv(&out, logger)
any = applyProviderEnv(&out, logger) || any
any = applySurfaceEnv(&out, logger) || any
any = applyIgnoreEnv(&out) || any
any = applyMCPEnv(&out) || any
if !any {
return nil
}
return &out
}
func applyCoreEnv(out *App, logger *log.Logger) bool {
any := false
any = applyEnvInt(&out.MaxTokens, "HEXAI_MAX_TOKENS", logger) || any
any = applyEnvString(&out.ContextMode, "HEXAI_CONTEXT_MODE") || any
any = applyEnvInt(&out.ContextWindowLines, "HEXAI_CONTEXT_WINDOW_LINES", logger) || any
any = applyEnvInt(&out.MaxContextTokens, "HEXAI_MAX_CONTEXT_TOKENS", logger) || any
any = applyEnvInt(&out.LogPreviewLimit, "HEXAI_LOG_PREVIEW_LIMIT", logger) || any
any = applyEnvInt(&out.RequestTimeout, "HEXAI_REQUEST_TIMEOUT", logger) || any
any = applyEnvInt(&out.ManualInvokeMinPrefix, "HEXAI_MANUAL_INVOKE_MIN_PREFIX", logger) || any
any = applyEnvInt(&out.CompletionDebounceMs, "HEXAI_COMPLETION_DEBOUNCE_MS", logger) || any
any = applyEnvInt(&out.CompletionThrottleMs, "HEXAI_COMPLETION_THROTTLE_MS", logger) || any
any = applyEnvFloat(&out.CodingTemperature, "HEXAI_CODING_TEMPERATURE", logger) || any
any = applyEnvCSV(&out.TriggerCharacters, "HEXAI_TRIGGER_CHARACTERS") || any
any = applyEnvString(&out.InlineOpen, "HEXAI_INLINE_OPEN") || any
any = applyEnvString(&out.InlineClose, "HEXAI_INLINE_CLOSE") || any
any = applyEnvString(&out.ChatSuffix, "HEXAI_CHAT_SUFFIX") || any
any = applyEnvCSV(&out.ChatPrefixes, "HEXAI_CHAT_PREFIXES") || any
any = applyEnvString(&out.Provider, "HEXAI_PROVIDER") || any
return any
}
func applyProviderEnv(out *App, logger *log.Logger) bool {
picker := newModelPicker(out.Provider)
any := false
any = applyEnvString(&out.OpenAIBaseURL, "HEXAI_OPENAI_BASE_URL") || any
if model, ok := picker.pick("openai", getenvTrim("HEXAI_OPENAI_MODEL")); ok {
out.OpenAIModel = model
any = true
}
any = applyEnvFloat(&out.OpenAITemperature, "HEXAI_OPENAI_TEMPERATURE", logger) || any
any = applyEnvString(&out.OpenRouterBaseURL, "HEXAI_OPENROUTER_BASE_URL") || any
if model, ok := picker.pick("openrouter", getenvTrim("HEXAI_OPENROUTER_MODEL")); ok {
out.OpenRouterModel = model
any = true
}
any = applyEnvFloat(&out.OpenRouterTemperature, "HEXAI_OPENROUTER_TEMPERATURE", logger) || any
any = applyEnvString(&out.OllamaBaseURL, "HEXAI_OLLAMA_BASE_URL") || any
if model, ok := picker.pick("ollama", getenvTrim("HEXAI_OLLAMA_MODEL")); ok {
out.OllamaModel = model
any = true
}
any = applyEnvFloat(&out.OllamaTemperature, "HEXAI_OLLAMA_TEMPERATURE", logger) || any
any = applyEnvString(&out.AnthropicBaseURL, "HEXAI_ANTHROPIC_BASE_URL") || any
if model, ok := picker.pick("anthropic", getenvTrim("HEXAI_ANTHROPIC_MODEL")); ok {
out.AnthropicModel = model
any = true
}
any = applyEnvFloat(&out.AnthropicTemperature, "HEXAI_ANTHROPIC_TEMPERATURE", logger) || any
any = applyEnvString(&out.YouSearchResearchEffort, "HEXAI_YOUSEARCH_RESEARCH_EFFORT") || any
return any
}
func applySurfaceEnv(out *App, logger *log.Logger) bool {
any := false
if entries, ok := buildSurfaceEntryFromEnv("HEXAI_MODEL_COMPLETION", "HEXAI_TEMPERATURE_COMPLETION", "HEXAI_PROVIDER_COMPLETION", logger); ok {
out.CompletionConfigs = entries
any = true
}
if entries, ok := buildSurfaceEntryFromEnv("HEXAI_MODEL_CODE_ACTION", "HEXAI_TEMPERATURE_CODE_ACTION", "HEXAI_PROVIDER_CODE_ACTION", logger); ok {
out.CodeActionConfigs = entries
any = true
}
if entries, ok := buildSurfaceEntryFromEnv("HEXAI_MODEL_CHAT", "HEXAI_TEMPERATURE_CHAT", "HEXAI_PROVIDER_CHAT", logger); ok {
out.ChatConfigs = entries
any = true
}
if entries, ok := buildSurfaceEntryFromEnv("HEXAI_MODEL_CLI", "HEXAI_TEMPERATURE_CLI", "HEXAI_PROVIDER_CLI", logger); ok {
out.CLIConfigs = entries
any = true
}
return any
}
func applyIgnoreEnv(out *App) bool {
any := false
any = applyEnvBoolPtr(&out.IgnoreGitignore, "HEXAI_IGNORE_GITIGNORE") || any
any = applyEnvCSV(&out.IgnoreExtraPatterns, "HEXAI_IGNORE_EXTRA_PATTERNS") || any
any = applyEnvBoolPtr(&out.IgnoreLSPNotify, "HEXAI_IGNORE_LSP_NOTIFY") || any
return any
}
func applyMCPEnv(out *App) bool {
any := false
any = applyEnvString(&out.MCPPromptsDir, "HEXAI_MCP_PROMPTS_DIR") || any
any = applyEnvBool(&out.MCPSlashCommandSync, "HEXAI_MCP_SLASHCOMMAND_SYNC") || any
any = applyEnvString(&out.MCPSlashCommandDir, "HEXAI_MCP_SLASHCOMMAND_DIR") || any
return any
}
func buildSurfaceEntryFromEnv(modelKey, tempKey, providerKey string, logger *log.Logger) ([]SurfaceConfig, bool) {
model := getenvTrim(modelKey)
tempPtr, tempSet := parseEnvFloatPtr(tempKey, logger)
provider := getenvTrim(providerKey)
if model == "" && provider == "" && !tempSet {
return nil, false
}
entry := SurfaceConfig{Provider: provider, Model: model}
if tempSet {
entry.Temperature = tempPtr
}
return []SurfaceConfig{entry}, true
}
func applyEnvString(target *string, key string) bool {
value := getenvTrim(key)
if value == "" {
return false
}
*target = value
return true
}
func applyEnvInt(target *int, key string, logger *log.Logger) bool {
value, ok := parseEnvInt(key, logger)
if !ok {
return false
}
*target = value
return true
}
func applyEnvFloat(target **float64, key string, logger *log.Logger) bool {
value, ok := parseEnvFloatPtr(key, logger)
if !ok {
return false
}
*target = value
return true
}
func applyEnvCSV(target *[]string, key string) bool {
value := getenvTrim(key)
if value == "" {
return false
}
parts := strings.Split(value, ",")
*target = nil
for _, p := range parts {
if t := strings.TrimSpace(p); t != "" {
*target = append(*target, t)
}
}
return true
}
func applyEnvBool(target *bool, key string) bool {
value := getenvTrim(key)
if value == "" {
return false
}
*target = value == "true" || value == "1"
return true
}
func applyEnvBoolPtr(target **bool, key string) bool {
value := getenvTrim(key)
if value == "" {
return false
}
parsed := value == "true" || value == "1"
*target = &parsed
return true
}
func getenvTrim(key string) string {
return strings.TrimSpace(os.Getenv(key))
}
func parseEnvInt(key string, logger *log.Logger) (int, bool) {
value := getenvTrim(key)
if value == "" {
return 0, false
}
n, err := strconv.Atoi(value)
if err != nil {
if logger != nil {
logger.Printf("invalid %s: %v", key, err)
}
return 0, false
}
return n, true
}
func parseEnvFloatPtr(key string, logger *log.Logger) (*float64, bool) {
value := getenvTrim(key)
if value == "" {
return nil, false
}
f, err := strconv.ParseFloat(value, 64)
if err != nil {
if logger != nil {
logger.Printf("invalid %s: %v", key, err)
}
return nil, false
}
return &f, true
}
type modelPicker struct {
providerLower string
modelForce string
modelGeneric string
forceUsed bool
genericUsed bool
}
func newModelPicker(provider string) *modelPicker {
return &modelPicker{
providerLower: strings.ToLower(strings.TrimSpace(provider)),
modelForce: getenvTrim("HEXAI_MODEL_FORCE"),
modelGeneric: getenvTrim("HEXAI_MODEL"),
}
}
func (p *modelPicker) pick(providerName, specific string) (string, bool) {
specific = strings.TrimSpace(specific)
nameLower := strings.ToLower(strings.TrimSpace(providerName))
if p.modelForce != "" {
if p.providerLower == nameLower {
p.forceUsed = true
return p.modelForce, true
}
if p.providerLower == "" && !p.forceUsed {
p.forceUsed = true
return p.modelForce, true
}
}
if specific != "" {
return specific, true
}
if p.modelGeneric != "" {
if p.providerLower == nameLower {
return p.modelGeneric, true
}
if p.providerLower == "" && !p.genericUsed {
p.genericUsed = true
return p.modelGeneric, true
}
}
return "", false
}
|
