# Internal helper: fetch data from url with parameters
_tdf() {
    local id="$1"
    shift

    local url="https://tdocs.in/d$id/"
    local curl_args=(-fsSL --get)

    for param in "$@"; do
        if [[ "$param" == *=* ]]; then
            curl_args+=(--data-urlencode "$param")
        else
            echo "Invalid parameter: $param (expected key=value)" >&2
            return 1
        fi
    done

    curl "${curl_args[@]}" "$url" || return 1
    echo
}

# Internal helper: tee with automatic sudo escalation
_tdt() {
    local mode="$1" file="$2"

    if [[ -e "$file" ]]; then
        if [[ -w "$file" ]]; then
            tee $mode -- "$file"
        else
            echo "Writing with sudo: $file" >&2
            sudo tee $mode -- "$file"
        fi
    else
        if [[ -w "$(dirname -- "$file")" ]]; then
            tee $mode -- "$file"
        else
            echo "Writing with sudo: $file" >&2
            sudo tee $mode -- "$file"
        fi
    fi
}

# Read tdocs.in
tdr() {
    [ -z "$1" ] && {
        echo "Usage: tdr <x-y> key=value [key=value ...]" >&2
        return 1
    }

    _tdf "$@"
}

# Copy tdocs.in
tdc() {
    [ -z "$1" ] && {
        echo "Usage: tdc <x-y> key=value [key=value ...]" >&2
        return 1
    }

    _tdf "$@" | tee >(xclip -selection clipboard)
}

# Write tdocs.in
tdw() {
    [[ -z "$1" || -z "$2" ]] && {
        echo "Usage: tdw <x-y> <file> key=value [key=value ...]" >&2
        return 1
    }

    local id="$1" file="$2"
    shift 2

    _tdf "$id" "$@" | _tdt "" "$file"
}

# Append tdocs.in
tda() {
    [[ -z "$1" || -z "$2" ]] && {
        echo "Usage: tda <x-y> <file> key=value [key=value ...]" >&2
        return 1
    }

    local id="$1" file="$2"
    shift 2

    _tdf "$id" "$@" | _tdt "-a" "$file"
}

# Execute tdocs.in
tdx() {
    [ -z "$1" ] && {
        echo "Usage: tdx <x-y> key=value [key=value ...]" >&2
        return 1
    }

    local script
    script="$(_tdf "$@")" || return 1

    echo "$script"; echo
    bash <<< "$script"
}