package {{ .PackageName }}

{{ range $_, $fn := .Functions }}
func hh_{{ $fn.Name }}[S any](s S, w http.ResponseWriter, r *http.Request) {
    {{- if $fn.DoParseForm }}
    if err := r.ParseForm(); err != nil {
        panic("todo: Bad request")
    }
    {{ end }}
    {{ range $_, $f := $fn.RequestTypeFields }}
        {{ if eq $f.TypeDef "*http.Request" }}
            {{ continue }}
        {{ end }}
        var {{ $f.Name }}0 string
        {{- if $f.Optional }}
            {{ $f.Name }}Skipped := false
        {{- end }}
        {{- if eq $f.Extractor "form" }}
            {{ $f.Name }}1 := r.Form[{{ $f.NameInReq | quote }}]
            if len({{ $f.Name }}1) != 0 {
                {{ $f.Name }} = {{ $f.Name }}1[0]
            } else {
                {{- if not $f.Optional }}
                    panic("todo: Bad request: form value " + {{ $f.NameInReq | quote }} + " missing")
                {{- else }}
                    {{ $f.Name }}Skipped = true
                {{- end }}
            }
        {{ else if eq $f.Extractor "cookie" }}
            {{ $f.Name }}1, _ := r.Cookie({{ $f.NameInReq | quote }})
            if {{ $f.Name }}1 != nil {
                {{ $f.Name }} = {{ $f.Name }}1.Value
            } else {
                {{- if not $f.Optional }}
                    panic("todo: Bad request: cookie " + {{ $f.NameInReq | quote }} + " missing")
                {{- else }}
                    {{ $f.Name }}Skipped = true
                {{- end }}
            }
        {{ else }}
            {{ error }}
        {{ end -}}
        {{ if eq $f.TypeDef "string" -}}
            {{ $f.Name }} := {{ $f.Name }}0
        {{ else if eq $f.TypeDef "int" -}}
            var {{ $f.Name }} int
            {{ if $f.Optional }} if !{{ $f.Name }}Skipped { {{ end -}}
                var err error
                {{ $f.Name }}, err = strconv.Atoi({{ $f.Name }}0)
                if err != nil {
                    panic("todo: Bad request: " + {{ $f.NameInReq | quote }} + " must be a valid int")
                }
            {{ if $f.Optional }} } {{ end }}
        {{ end }}
    {{ end }}
    {{ $fn.Name }}(w, {{ $fn.RequestTypeDef }}{
        {{ range $_, $f := $fn.RequestTypeFields -}}
            {{ $f.Name }}: {{ $f.Name }},
        {{ end }}
    })
}
{{ end }}