package global

import (
	"fmt"
	"os"
	"path/filepath"
	"strings"

	"github.com/jmoiron/sqlx"
)

var Args = func() map[string]string {
    args := map[string]string{}
    
    index := 0
    for index < len(os.Args[1:]) {
        arg := os.Args[index + 1]
        if !strings.HasPrefix(arg, "-") {
            fmt.Printf("FATAL: Parameters must follow an argument (%s).\n", arg)
            os.Exit(1)
        }

        if index + 3 > len(os.Args) || strings.HasPrefix(os.Args[index + 2], "-") {
            args[arg[1:]] = "true"
            index += 1
            continue
        }

        val := os.Args[index + 2]
        args[arg[1:]] = val
        // fmt.Printf("%s: %s\n", arg[1:], val)
        index += 2
    }

    return args
}()

var HTTP_DOMAIN = func() string {
    domain := os.Getenv("ARIMELODY_HTTP_DOMAIN")
    if domain == "" {
        return "https://arimelody.me"
    }
    return domain
}()

var DATA_DIR = func() string {
    dir, err := filepath.Abs(os.Getenv("ARIMELODY_DATA_DIR"))
    if err != nil {
        fmt.Printf("FATAL: Failed to get working directory: %s\n", err.Error())
        os.Exit(1)
    }
    if dir != "" {
        os.MkdirAll(dir, os.ModePerm)
    } else {
        var err error
        dir, err = os.Getwd()
        if err != nil {
            fmt.Printf("FATAL: Failed to get working directory: %s\n", err.Error())
            os.Exit(1)
        }
    }
    return dir
}()

var DB *sqlx.DB