# The metadata extracted from a MPackage
class MPackageMetadata

	# The mpacakge this metadata belongs to
	var mpackage: MPackage

	# Return the associated metadata from the `ini`, if any
	fun metadata(key: String): nullable String do
		var ini = mpackage.ini
		if ini == null then return null
		return ini[key]
	end

	# The consolidated list of tags
	var tags: Array[String] is lazy do
		var tags = new Array[String]
		var string = metadata("package.tags")
		if string == null then return tags
		for tag in string.split(",") do
			tag = tag.trim
			if tag.is_empty then continue
			tags.add tag
		end
		if tryit != null then tags.add "tryit"
		if apk != null then tags.add "apk"
		if tags.is_empty then tags.add "none"
		return tags
	end

	# The list of all maintainers
	var maintainers = new Array[Person]

	# The list of contributors
	var contributors = new Array[Person]

	# The date of the most recent commit
	var last_date: nullable String = null

	# The date of the oldest commit
	var first_date: nullable String = null

	# Key: package.maintainer`
	var maintainer: nullable String is lazy do return metadata("package.maintainer")

	# Key: `package.more_contributors`
	var more_contributors: Array[String] is lazy do
		var res = new Array[String]
		var string = metadata("package.more_contributors")
		if string == null then return res
		for c in string.split(",") do
			c = c.trim
			if c.is_empty then continue
			res.add c
		end
		return res
	end

	# Key: `package.license`
	var license: nullable String is lazy do return metadata("package.license")

	# Key: `upstream.tryit`
	var tryit: nullable String is lazy do return metadata("upstream.tryit")

	# Key: `upstream.apk`
	var apk: nullable String is lazy do return metadata("upstream.apk")

	# Key: `upstream.homepage`
	var homepage: nullable String is lazy do return metadata("upstream.homepage")

	# Key: `upstream.browse`
	var browse: nullable String is lazy do return metadata("upstream.browse")

	# Package git clone address
	var git: nullable String is lazy do return metadata("upstream.git")

	# Package issue tracker
	var issues: nullable String is lazy do return metadata("upstream.issues")
end