name: Build EPUB Release

on:
  push:
    branches:
      - master

jobs:
  release-epubs:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout source
        uses: actions/checkout@v4

      - name: Clean old output
        run: rm -rf output/

      - name: Create EPUB files
        run: |
          mkdir -p output/epubs

          shopt -s nullglob
          for dir in EPUB/*/ ; do
            name=$(basename "$dir")
            zip -r "output/epubs/${name}.epub" "$dir"
          done

      - name: Create merged ZIPs
        run: |
          DATE=$(date +'%Y.%m.%d')
          cd output/epubs

          Collections=(
            "All:["
            "A_Certain_Magical_Index:[S1_"
            "A_Certain_Magical_Index_New_Testament:[S2_"
            "A_Certain_Magical_Index_Genesis_Testament:[S3_"
            "A_Certain_Dark_Side_Item:[S4_"
            "A_Certain_Magical_Index_SP:[S5_ [S6_"
          )
          for entry in "${Collections[@]}"; do
            ARCHIVE_NAME="${entry%%:*}"
            PREFIXES="${entry#*:}"

            FILES=""
            for PREFIX in ${PREFIXES}; do
              FILES+=" ${PREFIX}*.epub"
            done

            zip -r ../${ARCHIVE_NAME}.${DATE}.zip ${FILES}
          done

          cd -

      - name: Generate Release Notes and Rename EPUB files
        id: release_notes
        run: |
          DATE=$(date +'%Y.%m.%d')
          BASE_URL="https://github.com/${{ github.repository }}/releases/download/auto/"
          shopt -s nullglob

          NOTE="## 合集\n\n"
          Collections=(
            "All:[${DATE}]合集"
            "A_Certain_Magical_Index:[${DATE}]某魔法的禁书目录 旧约"
            "A_Certain_Magical_Index_New_Testament:[${DATE}]某魔法的禁书目录 新约"
            "A_Certain_Magical_Index_Genesis_Testament:[${DATE}]某魔法的禁书目录 创约"
            "A_Certain_Dark_Side_Item:[${DATE}]某暗部的少女共栖"
            "A_Certain_Magical_Index_SP:[${DATE}]某魔法的禁书目录 番外"
          )
          for entry in "${Collections[@]}"; do
            ARCHIVE_NAME="${entry%%:*}"
            NAME="${entry#*:}"
            NOTE="${NOTE}- [${NAME}](${BASE_URL}${ARCHIVE_NAME}.${DATE}.zip)\n"
          done
          

          NOTE="${NOTE}\n## 单行本\n"
          SERIES_GROUPS=(
            "某魔法的禁书目录 旧约:[S1_"
            "某魔法的禁书目录 新约:[S2_"
            "某魔法的禁书目录 创约:[S3_"
            "某暗部的少女共栖:[S4_"
            "某魔法的禁书目录 番外:[S5_ [S6_"
          )
          for entry in "${SERIES_GROUPS[@]}"; do
            LABEL="${entry%%:*}"
            PREFIXES="${entry#*:}"
            NOTE="${NOTE}\n### ${LABEL}\n\n"
            for PREFIX in ${PREFIXES}; do
              for file in output/epubs/${PREFIX}*.epub; do
                filename=$(basename "$file")
                short_name=$(echo "$filename" | grep -oP '\[.*?\]' | tr -d '[]').epub
                mv "output/epubs/${filename}" "output/epubs/${short_name}"
                name=$(basename "$filename" .epub)
                NOTE="${NOTE}- [${name}](${BASE_URL}${short_name})\n"
              done
            done
          done

          echo -e "${NOTE}" > output/release_notes.md

      - name: Upload to Release
        uses: ncipollo/release-action@v1
        with:
          tag: auto
          allowUpdates: true
          removeArtifacts: true
          makeLatest: true
          bodyFile: output/release_notes.md
          artifacts: |
            output/All.*.zip
            output/A_Certain_Magical_Index.*.zip
            output/A_Certain_Magical_Index_New_Testament.*.zip
            output/A_Certain_Magical_Index_Genesis_Testament.*.zip
            output/A_Certain_Dark_Side_Item.*.zip
            output/A_Certain_Magical_Index_SP.*.zip
            output/epubs/*.epub
        env:
          GITHUB_TOKEN: ${{ secrets.TOKEN }}