{{define "cenum"}}
typedef enum {
{{- range .Entries }}
    {{ .Name }} = {{ printf "0x%X" .ID }},
{{- end }}
}{{.EnumName}};
{{end}}

{{define "payloads"}}
{{- range . }}
typedef struct {
    {{- if not .Entries}}
    // empty payload
    {{- end}}
    {{- range .Entries }}
    {{- if (.ArrayLength) }}
    {{.DataType}} {{.Name}}[{{.ArrayLength}}];
    {{- else }}
    {{.DataType}} {{.Name}};
    {{- end}}
    {{- end }}
} {{ .Name }}Payload;
{{ end }}
{{end}}

{{define "union"}}
typedef union {
    {{- range .}}
    {{.Name}}Payload {{ .Name | snake}};
    {{- end }}
} PayloadUnion;
{{end}}

{{define "handler"}}
{{- range . }}
void (*on_{{ .Name | snake }})({{ .Name }}Payload*) = NULL;
{{- end}}
{{end}}

{{define "dispatcher"}}
void dispatch_message(uint8_t msg_id, void* payload) {
    switch (msg_id) {
        {{- range . }}
        case {{ .Name }}:
            if (on_{{ .Name | snake }}) on_{{ .Name | snake }}(({{ .Name }}Payload*)payload);
            break;
        {{- end }}
        default:
            // Unknown message
            break;
    }
}
{{end}}

{{define "send_functions"}}
{{- range .}}
{{ $argLen := len .Payload }}
void send_{{.Name | snake}}({{- range $i, $p := .Payload}}{{$p.DataType}} {{$p.Name}} {{- if not (isLast $argLen $i)  }}, {{ end}} {{- end}}) {
    {{.Name}}Payload payload;
    
    // Payload-Daten zuweisen
    {{- range .Payload}}
    payload.{{.Name}} = {{.Name}};
    {{- end}}
    
    // Nachricht senden
    send_message({{.Name}}, &payload);
}
{{- end }}
{{end}}