98 lines
2.8 KiB
Go
98 lines
2.8 KiB
Go
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// Package config loads smartrund's runtime configuration from environment
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// variables (a single-user local app has no need for a config file/flags
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// beyond this).
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package config
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import (
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"fmt"
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"os"
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"strconv"
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"time"
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)
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// Config holds everything smartrund needs to start.
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type Config struct {
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// Addr is the HTTP listen address, e.g. ":8080".
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Addr string
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// DBPath is the SQLite database file path.
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DBPath string
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// GarminPythonPath is mcp-garmin's venv python executable.
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GarminPythonPath string
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// GarminServerPath is mcp-garmin's server.py.
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GarminServerPath string
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GarminEmail string
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GarminPassword string
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// GarminTokenStore, if set, overrides mcp-garmin's default ~/.garth
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// session cache location.
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GarminTokenStore string
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MaxHR float64
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MinConfidence float64
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BackfillHorizonDays int
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IncrementalSyncEvery time.Duration
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}
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// Load reads configuration from environment variables, applying defaults
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// for anything optional. Returns an error if a required variable is unset.
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func Load() (Config, error) {
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cfg := Config{
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Addr: getEnvDefault("SMARTRUN_ADDR", ":8080"),
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DBPath: getEnvDefault("SMARTRUN_DB_PATH", "smartrun.db"),
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GarminPythonPath: os.Getenv("MCP_GARMIN_PYTHON"),
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GarminServerPath: os.Getenv("MCP_GARMIN_SERVER"),
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GarminEmail: os.Getenv("GARMIN_EMAIL"),
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GarminPassword: os.Getenv("GARMIN_PASSWORD"),
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GarminTokenStore: os.Getenv("GARMIN_TOKENSTORE"),
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MaxHR: getEnvFloat("SMARTRUN_MAX_HR", 190),
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MinConfidence: getEnvFloat("SMARTRUN_MIN_CONFIDENCE", 0.6),
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BackfillHorizonDays: getEnvInt("SMARTRUN_BACKFILL_HORIZON_DAYS", 3*365),
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IncrementalSyncEvery: getEnvDuration("SMARTRUN_INCREMENTAL_SYNC_EVERY", 6*time.Hour),
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}
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if cfg.GarminPythonPath == "" {
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return cfg, fmt.Errorf("MCP_GARMIN_PYTHON is required (path to mcp-garmin's venv python)")
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}
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if cfg.GarminServerPath == "" {
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return cfg, fmt.Errorf("MCP_GARMIN_SERVER is required (path to mcp-garmin's server.py)")
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}
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if cfg.GarminEmail == "" || cfg.GarminPassword == "" {
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return cfg, fmt.Errorf("GARMIN_EMAIL and GARMIN_PASSWORD are required")
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}
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return cfg, nil
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}
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func getEnvDefault(key, def string) string {
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if v := os.Getenv(key); v != "" {
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return v
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}
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return def
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}
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func getEnvFloat(key string, def float64) float64 {
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if v := os.Getenv(key); v != "" {
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if f, err := strconv.ParseFloat(v, 64); err == nil {
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return f
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}
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}
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return def
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}
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func getEnvInt(key string, def int) int {
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if v := os.Getenv(key); v != "" {
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if n, err := strconv.Atoi(v); err == nil {
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return n
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}
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}
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return def
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}
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func getEnvDuration(key string, def time.Duration) time.Duration {
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if v := os.Getenv(key); v != "" {
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if d, err := time.ParseDuration(v); err == nil {
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return d
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}
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}
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return def
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}
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