#!/bin/bash
#set -x
INPUT="$*"
OUTDIR=$(mktemp -d)
IMGDIR="$GITEA_WORK_DIR/custom/public/assets/img"

KIOPTS=(
    # --subtract-soldermask
    --mode-single
    --exclude-drawing-sheet
    --page-size-mode 2
    --sketch-pads-on-fab-layers
)

ln -s "$INPUT" "$OUTDIR"/pcb.kicad_pcb

if [[ -d "$IMGDIR" && -w "$IMGDIR" ]]; then
    # We can use caching
    HASH=$(sha256sum "$INPUT" | cut -c1-64)

    shopt -s nullglob
    IMAGES=("${IMGDIR}"/${HASH}.*.svg)
    shopt -u nullglob

    if [ ${#IMAGES[@]} -le 0 ]; then
        kicad-cli pcb export svg "${KIOPTS[@]}" --layers Edge.Cuts,F.Cu,F.Mask,F.Silkscreen,F.Adhesive,F.Paste --output "${OUTDIR}/${HASH}.1.svg" "$OUTDIR"/pcb.kicad_pcb >/dev/null
        kicad-cli pcb export svg "${KIOPTS[@]}" --mirror --layers Edge.Cuts,B.Cu,B.Mask,B.Silkscreen,B.Adhesive,B.Paste --output "${OUTDIR}/${HASH}.2.svg" "$OUTDIR"/pcb.kicad_pcb >/dev/null

        inkscape --actions="page-fit-to-selection" -o "${IMGDIR}/${HASH}.1.svg" "${OUTDIR}/${HASH}.1.svg"
        inkscape --actions="page-fit-to-selection" -o "${IMGDIR}/${HASH}.2.svg" "${OUTDIR}/${HASH}.2.svg"

        shopt -s nullglob
        IMAGES=("${IMGDIR}"/${HASH}.*.svg)
        shopt -u nullglob
    fi

    echo '<div class="file">'
    for IMG in "${IMAGES[@]}"; do
        echo '<div class="page">'
        # echo "bla"
        echo -n '<img src="/assets/img/'
        echo -n "$(basename "${IMG}")"
        echo -n '"'
        echo -n ' class="full_width kicad_pcb pan_zoom"'
        echo '/>'
        echo '</div>'
    done
    echo '</div></div>'

else
    echo "<p>Error: Unable to write to $IMGDIR. Please check permissions.</p>"
    # TODO: Implement base64 method
    # We'll be generating the images on the fly, including them as base64
    # mapfile -t FILES \
    #     < <(kicad-cli sch export svg --exclude-drawing-sheet --no-background-color --output "$OUTDIR" "$OUTDIR/pcb.kicad_pcb" | grep -E 'Plotted to' | sed -r "s/^[^']+'|'[^']+$//g" )
    # for FILE in "${FILES[@]}"; do
    #     echo -n '<div class="file"><div class="page">'
    #     echo -n '<img src="data:image/svg+xml;base64,'
    #     inkscape --actions="page-fit-to-selection" -o - "$FILE" | base64 --wrap=0
    #     echo -n '"'
    #     echo -n ' class="full_width kicad_pcb pan_zoom"'
    #     echo -n '/>'
    #     echo '</div></div>'
    # done
fi

rm -R "$OUTDIR"