name: 'Codex Issue Response'
description: '使用 Codex 產生 Gitea issue 留言回覆'
author: 'Jeffery'
inputs:
  gitea_server_url:
    description: 'Gitea server URL'
    required: true
  gitea_repository:
    description: 'Gitea repository, for example owner/repo'
    required: true
  gitea_token:
    description: 'Gitea Runner Token'
    required: true
  oauth:
    description: 'Base64 encoded Codex auth.json'
    required: true
  model:
    description: 'Codex model name'
    default: 'gpt-5.4-mini'
  issue_title:
    description: 'Issue title'
    required: true
  issue_body:
    description: 'Issue body'
    required: false
    default: ''
  issue_number:
    description: 'Issue number'
    required: true
  comment_body:
    description: 'Issue comment body'
    required: true
outputs:
  status:
    description: 'Codex execution result status'
    value: ${{ steps.codex.outputs.status }}
  response:
    description: 'Codex execution result response'
    value: ${{ steps.codex.outputs.output }}
runs:
  using: 'composite'
  steps:
  - name: 建立 Prompt
    id: prompt
    env:
      ISSUE_TITLE: ${{ inputs.issue_title }}
      ISSUE_BODY: ${{ inputs.issue_body }}
      COMMENT_BODY: ${{ inputs.comment_body }}
    run: |
      clean_comment="${COMMENT_BODY//@codex/}"
      clean_comment="$(printf '%s' "$clean_comment" | sed -E 's/^[[:space:]]+//; s/[[:space:]]+$//')"

      {
        printf '請根據以下 Gitea issue 資訊，以繁體中文回覆使用者。\n'
        printf '請只輸出要張貼到 issue 留言中的內容，不要包含額外前言。\n\n'
        printf '## 問題標題\n%s\n\n' "$ISSUE_TITLE"
        printf '## 問題描述\n%s\n\n' "$ISSUE_BODY"
        printf '## 使用者留言\n%s\n' "$clean_comment"
      } > prompt.md

      {
        echo 'prompt<<__PROMPT__'
        cat prompt.md
        echo '__PROMPT__'
      } >> "$GITHUB_OUTPUT"
    shell: bash
  - name: 產生 AI 回覆
    id: codex
    uses: https://gitea.jsc.idv.tw/actions/codex@v0.0.2
    with:
      oauth: ${{ inputs.oauth }}
      model: ${{ inputs.model }}
      prompt: ${{ steps.prompt.outputs.prompt }}
  - name: 留言 AI 回覆
    env:
      GITEA_REPOSITORY: ${{ inputs.gitea_repository }}
      GITEA_SERVER_URL: ${{ inputs.gitea_server_url }}
      GITEA_TOKEN: ${{ inputs.gitea_token }}
      ISSUE_NUMBER: ${{ inputs.issue_number }}
      RESPONSE: ${{ steps.codex.outputs.output }}
    run: |
      jq -n --arg body "$RESPONSE" '{body: $body}' > comment.json

      curl --fail-with-body \
        -X POST \
        -H "Authorization: token $GITEA_TOKEN" \
        -H "Content-Type: application/json" \
        --data @comment.json \
        "$GITEA_SERVER_URL/api/v1/repos/$GITEA_REPOSITORY/issues/$ISSUE_NUMBER/comments"
    shell: bash