#!/usr/bin/env fish
#set fish_trace on

function usage
    begin
        echo "Read TSV release data from sdtin > query Deezer API > output JSON"
        exit 1
    end
end

argparse -n (status current-filename) 'h/help' -- $argv
if test $status -ne 0
    usage
end

if set -q _flag_help
    usage
end

set API_OUT (mktemp -t rls.deezer.API.XXXXXXXX.json)
set DAPI "https://api.deezer.com/search/album"
set UA "search-deezer.fish/v0.0.3"

while read -l -d (printf '\t') ORG A T C B F E Y
    if test -z "$A"; or test -z "$T"
        echo "WARN: Skipping empty artist / title input"
        continue
    end

    set _in_A "$A"; set _in_T "$T"; set _in_C "$C";
    set _in_B "$B"; set _in_F "$F"; set _in_E "$E"; set _in_Y "$Y"

    sleep .2
    set API_CODE (curl -s -G "$DAPI" --user-agent "$UA" -w '%{http_code}' -o "$API_OUT" --data-urlencode "q=$A $T $E"  --data-urlencode "strict=on")

    if test $status -ne 0
        echo "curl API request failed" >&2
        rm "$API_OUT"
        continue
    end

    if test $API_CODE -ne 200
        begin
            echo "Deezer API status code $CODE"
            echo $ORG
        end >&2
        rm "$API_OUT"
        continue
    end

    set API_COUNT (jq -r .total "$API_OUT")
    if test $status -ne 0
        begin
            echo "Failed parsing API result"
            echo $ORG
        end >&2
        rm "$API_OUT"
        continue
    end

    if test "$API_COUNT" = "null"
        begin
            echo "ERR: API result has no total count"
            echo $ORG
        end >&2
        rm "$API_OUT"
        continue
    end

    if test $API_COUNT -eq 0
        echo '{}' | jq -SMc --arg rls "$ORG" --arg api_count "$API_COUNT" \
            --arg a "$_in_A" --arg t "$_in_T" --arg c "$_in_C" \
            --arg b "$_in_B" --arg f "$_in_F" --arg e "$_in_E" --arg y "$_in_Y" \
        '{
            "_scene_release_name": $rls,
            "_source": "api.deezer.com",
            "_search_result_count": $api_count | tonumber,
            "_artist": $a,
            "_title": $t,
            "_catno": $c,
            "_barcode": $b,
            "_format": $f,
            "_edition": $e,
            "_year": $y
        }'
        rm "$API_OUT"
        continue
    else if test $API_COUNT -ge 1
        jq -SMc --arg rls "$ORG" --arg api_count "$API_COUNT" \
            --arg a "$_in_A" --arg t "$_in_T" --arg c "$_in_C" \
            --arg b "$_in_B" --arg f "$_in_F" --arg e "$_in_E" --arg y "$_in_Y" \
        '. + {
            "_scene_release_name": $rls,
            "_source": "api.deezer.com",
            "_search_result_count": $api_count | tonumber,
            "_artist": $a,
            "_title": $t,
            "_catno": $c,
            "_barcode": $b,
            "_format": $f,
            "_edition": $e,
            "_year": $y
        }' "$API_OUT"
    end
    rm "$API_OUT"
end