// Package target maps content types to runtime-specific deployment paths.
// The OpenCode target is the thin v2 implementation: a type filter plus
// path mapping, leaving the door open for future targets.
package target

import (
	"os"
	"path/filepath"

	"github.com/m3tam3re/agent-lib/internal/lockfile"
)

// OpenCode maps items into the OpenCode runtime layout, rooted at the
// user's home directory.
type OpenCode struct {
	Home string
}

// NewOpenCode resolves the home directory once for all path mappings.
func NewOpenCode() (*OpenCode, error) {
	home, err := os.UserHomeDir()
	if err != nil {
		return nil, err
	}
	return &OpenCode{Home: home}, nil
}

// DeployPath returns the absolute destination for an item; ok is false for
// types this target never deploys (MCP stays under fleet control).
func (o *OpenCode) DeployPath(typ, name string) (path string, ok bool) {
	switch typ {
	case lockfile.TypeSkill:
		return filepath.Join(o.Home, ".agents", "skills", name), true
	case lockfile.TypeCommand:
		return filepath.Join(o.Home, ".config", "opencode", "commands", name+".md"), true
	case lockfile.TypeAgent:
		return filepath.Join(o.Home, ".config", "opencode", "agents", name+".md"), true
	default:
		return "", false
	}
}