{{/* Generischer Content Adapter fuer Einheitsumrechner */}}
{{/* Erzeugt alle from-to Permutationsseiten fuer linear, intermediate und runtime */}}

{{ $pbBase := getenv "POCKETBASE_URL" | default site.Params.pocketbase_url }}
{{ $pbUrl := printf "%s/api/collections/currencies/records" $pbBase }}
{{ $pbOpts := dict "method" "GET" "timeout" "15s" "headers" (dict "Accept" (slice "application/json")) }}
{{ $pbData := dict }}
{{ $pbOk := false }}
{{ with try (resources.GetRemote $pbUrl $pbOpts) }}
	{{ with .Err }}
		{{ warnf "PocketBase nicht erreichbar: %s" . }}
	{{ else with .Value }}
		{{ with transform.Unmarshal .Content }}
			{{ if .items }}
				{{ $pbData = .items }}
				{{ $pbOk = true }}
			{{ end }}
		{{ end }}
	{{ end }}
{{ end }}

{{ $pbRates := dict }}
{{ $latestUpdate := "" }}
{{ range $record := $pbData }}
	{{ $pbRates = merge $pbRates (dict $record.id $record.rate) }}
	{{ if or (eq $latestUpdate "") (gt $record.updated $latestUpdate) }}
		{{ $latestUpdate = $record.updated }}
	{{ end }}
{{ end }}

{{ range $categoryName, $categoryData := site.Data }}
	{{ $engine := $categoryData.conversion_engine }}
	{{ if not $engine }}{{ continue }}{{ end }}

	{{ $categorySlug := $categoryData.slug }}
	{{ $units := $categoryData.units }}

	{{ if eq $engine "runtime" }}
		{{ if not $pbOk }}{{ continue }}{{ end }}
		{{ $pbCurrencies := slice }}
		{{ range $record := $pbData }}
			{{ $pbCurrencies = $pbCurrencies | append $record.id }}
		{{ end }}
		{{ $availableCurrencies := $pbCurrencies | append "eur" }}
		{{ range $fromCode := $availableCurrencies }}
			{{ range $toCode := $availableCurrencies }}
				{{ if eq $fromCode $toCode }}{{ continue }}{{ end }}
				{{ $fromName := $fromCode }}
				{{ with index $units $fromCode }}
					{{ $fromName = .name }}
				{{ end }}
				{{ $toName := $toCode }}
				{{ with index $units $toCode }}
					{{ $toName = .name }}
				{{ end }}
				{{ $slug := printf "%s-in-%s" $fromCode $toCode }}
				{{ $title := printf "%s in %s umrechnen"
					$fromName $toName }}
				{{ $description := printf
					"Konvertieren Sie %s in %s. Einfache und schnelle Umrechnung mit Einheitsumrechner."
					$fromName $toName }}
				{{ $fromCurrency := $fromCode }}
				{{ $toCurrency := $toCode }}
				{{ $fromRate := 1 }}
				{{ if ne $fromCode "eur" }}
					{{ $fromRate = index $pbRates $fromCode }}
				{{ end }}
				{{ $toRate := 1 }}
				{{ if ne $toCode "eur" }}
					{{ $toRate = index $pbRates $toCode }}
				{{ end }}
				{{ $rate := div $toRate $fromRate }}
				{{ $params := dict
					"category" $categorySlug
					"from" $fromCode
					"to" $toCode
					"from_name" $fromName
					"to_name" $toName
					"slug" $slug
					"description" $description
					"engine" "runtime"
					"currency_from" $fromCurrency
					"currency_to" $toCurrency
					"rate" $rate
					"rates_updated" $latestUpdate
				}}
				{{ $page := dict
					"kind" "page"
					"path" $slug
					"title" $title
					"type" "conversion"
					"params" $params
				}}
				{{ $.AddPage $page }}
			{{ end }}
		{{ end }}
	{{ else }}
		{{ range $fromUnit, $fromData := $units }}
			{{ $fromName := $fromData.name }}
			{{ range $toUnit, $toData := $units }}
				{{ if eq $fromUnit $toUnit }}{{ continue }}{{ end }}

				{{ $toName := $toData.name }}
				{{ $slug := printf "%s-in-%s"
					$fromUnit $toUnit }}
				{{ $title := printf "%s in %s umrechnen"
					$fromName $toName }}
				{{ $description := printf
					"Konvertieren Sie %s in %s. Einfache und schnelle Umrechnung mit Einheitsumrechner."
					$fromName $toName }}

				{{ $params := dict
					"category" $categorySlug
					"from" $fromUnit
					"to" $toUnit
					"from_name" $fromName
					"to_name" $toName
					"slug" $slug
					"description" $description
				}}

				{{ if eq $engine "linear" }}
					{{ $params = merge $params (dict
						"engine" "linear"
						"from_factor" $fromData.factor
						"to_factor" $toData.factor
					) }}
				{{ else if eq $engine "intermediate" }}
					{{ $params = merge $params (dict
						"engine" "intermediate"
						"from_unit" $fromUnit
						"to_unit" $toUnit
					) }}
				{{ end }}

				{{ $page := dict
					"kind" "page"
					"path" $slug
					"title" $title
					"type" "conversion"
					"params" $params
				}}
				{{ $.AddPage $page }}
			{{ end }}
		{{ end }}
	{{ end }}
{{ end }}