// Package config owns application configuration structures, defaults, loading,
// precedence, and validation.
package config

import "time"

type MissingSourcePolicy string

const (
	MissingSourceError MissingSourcePolicy = "error"
	MissingSourceWarn  MissingSourcePolicy = "warn"
	MissingSourceNone  MissingSourcePolicy = "none"
)

type Config struct {
	WeatherAPI    WeatherAPIConfig    `yaml:"weather_api"`
	MissingSource MissingSourceConfig `yaml:"missing_source"`
	Scriptorium   ScriptoriumConfig   `yaml:"scriptorium"`
	Workspace     WorkspaceConfig     `yaml:"workspace"`
	Reports       ReportOutputConfig  `yaml:"reports"`
	Dayparts      []DaypartConfig     `yaml:"dayparts"`
	RecentChange  RecentChangeConfig  `yaml:"recent_change"`
}

type WeatherAPIConfig struct {
	BaseURL   string        `yaml:"base_url"`
	Timeout   time.Duration `yaml:"timeout"`
	Precision int           `yaml:"precision"`
	Units     string        `yaml:"units"`
	Timezone  string        `yaml:"timezone"`
	Format    string        `yaml:"format"`
}

type MissingSourceConfig struct {
	Default MissingSourcePolicy            `yaml:"default"`
	Sources map[string]MissingSourcePolicy `yaml:"sources"`
}

type ScriptoriumConfig struct {
	Binary     string        `yaml:"binary"`
	ConfigPath string        `yaml:"config_path"`
	Profile    string        `yaml:"profile"`
	Timeout    time.Duration `yaml:"timeout"`
	ExtraArgs  []string      `yaml:"extra_args"`
}

type WorkspaceConfig struct {
	Root            string `yaml:"root"`
	SnapshotsDir    string `yaml:"snapshots_dir"`
	ReportsDir      string `yaml:"reports_dir"`
	DataPackagesDir string `yaml:"data_packages_dir"`
	PreflightDir    string `yaml:"preflight_dir"`
}

type ReportOutputConfig struct {
	OutputDir string            `yaml:"output_dir"`
	Paths     map[string]string `yaml:"paths"`
}

type DaypartConfig struct {
	Name  string `yaml:"name"`
	Start string `yaml:"start"`
	End   string `yaml:"end"`
}

type RecentChangeConfig struct {
	TemperatureDegrees       float64 `yaml:"temperature_degrees"`
	PrecipProbabilityPoints  int     `yaml:"precip_probability_points"`
	WindGustMilesPerHour     int     `yaml:"wind_gust_miles_per_hour"`
	PrecipTimingShiftMinutes int     `yaml:"precip_timing_shift_minutes"`
}