// Copyright 2024 Matthew Rich <matthewrich.conf@gmail.com>. All rights reserved.

package resource

import (
	"context"
	"fmt"
	"gopkg.in/yaml.v3"
_	"log"
	"net/url"
_	"os"
_	"os/exec"
	"io"
	"path/filepath"
_	"strings"
)

type Package struct {
	Name string `yaml:"name" json:"name"`
	Version string `yaml:"version" json:"version"`

	// state attributes
	State string `yaml:"state"`
}

func init() {
	ResourceTypes.Register("package", func(u *url.URL) Resource {
		p := NewPackage()
		return p
	})
}

func NewPackage() *Package {
	return &Package{}
}

func (p *Package) URI() string {
	return fmt.Sprintf("package://%s?version=%s", p.Name, p.Version)
}

func (p *Package) SetURI(uri string) error {
	resourceUri, e := url.Parse(uri)
	if e == nil {
		if resourceUri.Scheme == "package" {
			p.Name = filepath.Join(resourceUri.Hostname(), resourceUri.RequestURI())
			p.Version = resourceUri.Query().Get("version")
			if p.Version == "" {
				p.Version = "latest"
			}
		} else {
			e = fmt.Errorf("%w: %s is not a package resource ", ErrInvalidResourceURI, uri)
		}
	}
	return e
}

func (p *Package) ResolveId(ctx context.Context) string {
	return ""
}

func (p *Package) Apply() error {
	return nil
}


func (p *Package) Load(r io.Reader) error {
	c := NewYAMLDecoder(r)
	return c.Decode(p)
}

func (p *Package) LoadDecl(yamlResourceDeclaration string) error {
	c := NewYAMLStringDecoder(yamlResourceDeclaration)
	return c.Decode(p)
}

func (p *Package) Type() string { return "package" }

func (p *Package) Read(ctx context.Context) ([]byte, error) {
	return yaml.Marshal(p)
}


func NewApkCreateCommand() *Command {
	c := NewCommand()
	c.Path = "apk"
	c.Args = []CommandArg{
		CommandArg("add"),
		CommandArg("{{ .Name }}={{ .Version }}"),
	}
	return c
}

func NewApkReadCommand() *Command {
	c := NewCommand()
	c.Path = "apk"
	c.Args = []CommandArg{
		CommandArg("info"),
		CommandArg("-ev"),
		CommandArg("{{ .Name }}"),
	}
	return c
}

func NewApkDeleteCommand() *Command {
	c := NewCommand()
	c.Path = "apk"
	c.Args = []CommandArg{
		CommandArg("del"),
		CommandArg("{{ .Name }}"),
	}
	return c
}