package main

import (
	"database/sql"
	"fmt"
	"strings"
)

func (a *App) readSettings() (AppSettings, error) {
	var raw string
	err := a.db.QueryRow(`SELECT value FROM app_settings WHERE key = 'view_proof_in_view'`).Scan(&raw)
	if err != nil {
		if err == sql.ErrNoRows {
			return AppSettings{ViewProofInView: false}, nil
		}
		return AppSettings{}, fmt.Errorf("read app setting view_proof_in_view: %w", err)
	}
	return AppSettings{ViewProofInView: settingBool(raw)}, nil
}

func (a *App) updateViewProofInView(enabled bool) error {
	_, err := a.db.Exec(`
INSERT INTO app_settings(key, value, updated_at)
VALUES('view_proof_in_view', ?, CURRENT_TIMESTAMP)
ON CONFLICT(key) DO UPDATE SET value = excluded.value, updated_at = CURRENT_TIMESTAMP
`, settingString(enabled))
	if err != nil {
		return fmt.Errorf("update app setting view_proof_in_view: %w", err)
	}
	return nil
}

func settingBool(value string) bool {
	switch strings.TrimSpace(strings.ToLower(value)) {
	case "1", "true", "yes", "on":
		return true
	default:
		return false
	}
}

func settingString(value bool) string {
	if value {
		return "1"
	}
	return "0"
}