package forgepb

/*
	check settings for a particular gopath
	this provides checks for:

	IsReadOnly()	// user can't push commits
	IsPrivate()	// repo can't be published to the pkg.go.dev system
	DebName()	// for 'zookeeper' returns 'zookeeper-go'
*/

import (
	"path/filepath"
	"strings"
)

func (all *Repos) UpdateGoPath(name string, gopath string) bool {
	oldr := all.DeleteByPath(name)
	if oldr == nil {
		// nothing to update
		return false
	}

	// update gopath and append it back to the list
	oldr.GoPath = gopath
	return all.Append(oldr)
}

// returns true if gopath is readonly()
// will attempt to match IsWritable("foo") against anything ending in "foo"
func (all *Repos) IsReadOnly(gopath string) bool {
	var match *Repo

	loop := all.SortByPath() // get the list of repos
	for loop.Scan() {
		r := loop.Repo()
		if r.GoPath == gopath {
			// exact gopath match
			if r.Writable {
				return false
			}
			if r.ReadOnly {
				return true
			}
			// private is assumed to be r/w unless above is specifically set
			if r.Private {
				return false
			}
		}
		// if gopath == "foo" will return false if "go.wit.com/apps/foo" is Writable
		base := filepath.Base(r.GoPath)
		if base == gopath {
			if r.Writable {
				return false
			}
		}
		// search for potential dir matches
		if r.Directory {
			// test the dir
			if strings.HasPrefix(gopath, r.GoPath) {
				match = r
			}
		}
	}

	if match == nil {
		// log.Info("did not match in IsReadOnly()", gopath)
		return true
	}

	// take the settings from the directory match
	if match.Writable {
		return false
	}
	if match.ReadOnly {
		return true
	}
	// private is assumed to be r/w unless above is specifically set
	if match.Private {
		return false
	}

	// always assume readonly
	return true
}

// returns the deb package name
// this let's you check a git tag version against a package .deb version
// allows gopath's to not need to match the .deb name
// this is important in lots of cases! It is normal and happens often enough.
func (all *Repos) DebName(gopath string) string {
	// get "zookeeper" from "go.wit.com/apps/zookeeper"
	normalBase := filepath.Base(gopath)

	loop := all.SortByPath()
	for loop.Scan() {
		r := loop.Repo()
		if r.GoPath == gopath {
			// returns "zookeeper-go" for "go.wit.com/apps/zookeeper"
			if r.DebName != "" {
				// log.Info("FOUND DebName", r.DebName)
				return r.DebName
			} else {
				return normalBase
			}
		}
	}
	return normalBase
}

// is this a non-publishable repo?
// matches package names from apt
//
// IsPrivate("foo") will match anything in the config file ending in "foo"
//
// IsPrivate("go.foo.com/jcarr/foo") returns true if private
// IsPrivate("foo") also returns true if "go.bar.com/jcarr/foo" is private
func (all *Repos) IsPrivate(thing string) bool {
	var match *Repo

	// sort by path means the simple 'match' logic
	// here works in the sense the last directory match
	// is the one that is used
	loop := all.SortByPath() // get the list of repos
	for loop.Scan() {
		r := loop.Repo()
		if r.GoPath == thing {
			// if private is set here, then ok, otherwise
			// still check if a Directory match exists
			if r.Private {
				return true
			}
		}
		base := filepath.Base(r.GoPath)
		if base == thing {
			if r.Private {
				return true
			}
		}
		// check to see if IsPrivate("foo")
		// search for potential dir matches
		if r.Directory {
			// test the dir
			if strings.HasPrefix(thing, r.GoPath) {
				match = r
			}
		}
	}
	if match == nil {
		// log.Info("did not match in IsPrivate()", thing)
		return false
	}

	// otherwise, assume not private
	return match.Private
}

// IsFavorite() -- fun option for the config
// file that lets you set things as favorites
// so you can just go-clone a bunch of common things
// on a new box or after you reset/delete your ~/go/src dir
func (all *Repos) IsFavorite(thing string) bool {
	var match *Repo

	loop := all.SortByPath() // get the list of repos
	for loop.Scan() {
		r := loop.Repo()
		if r.GoPath == thing {
			if r.Favorite {
				return true
			}
		}
		base := filepath.Base(r.GoPath)
		if base == thing {
			if r.Favorite {
				return true
			}
		}
		if r.Directory {
			if strings.HasPrefix(thing, r.GoPath) {
				match = r
			}
		}
	}
	if match == nil {
		return false
	}

	return match.Favorite
}