package config

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

	"gopkg.in/yaml.v3"
)

type Repo struct {
	Root       string   `yaml:"root"`
	Readme     []string `yaml:"readme"`
	MainBranch []string `yaml:"mainBranch"`
	Unlisted   []string `yaml:"unlisted,omitempty"`
}

type Dirs struct {
	Static string `yaml:"static"`
}

type Meta struct {
	Title           string `yaml:"title"`
	Description     string `yaml:"description"`
	SyntaxHighlight string `yaml:"syntaxHighlight"`
}

type Server struct {
	Name string `yaml:"name,omitempty"`
	Host string `yaml:"host"`
	Port int    `yaml:"port"`
}

type Config struct {
	Repo   Repo   `yaml:"repo"`
	Dirs   Dirs   `yaml:"dirs"`
	Meta   Meta   `yaml:"meta"`
	Server Server `yaml:"server"`
}

func Read(f string) (*Config, error) {
	b, err := os.ReadFile(f)
	if err != nil {
		return nil, fmt.Errorf("reading config: %w", err)
	}

	c := Config{}
	if err := yaml.Unmarshal(b, &c); err != nil {
		return nil, fmt.Errorf("parsing config: %w", err)
	}

	if c.Dirs.Static, err = filepath.Abs(c.Dirs.Static); err != nil {
		return nil, err
	}

	return &c, nil
}