name: Resume Content Validation

on:
     push:
          branches:
               - main
     pull_request:

jobs:
     validate-resume:
          runs-on: docker

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

               - name: Extract resume content
                 id: extract
                 run: |
                      if [ -f "content/resume.md" ]; then
                        CONTENT=$(cat content/resume.md)
                        echo "content_found=true" >> $GITHUB_OUTPUT
                        echo "$CONTENT" > /tmp/resume.txt
                      else
                        echo "content_found=false" >> $GITHUB_OUTPUT
                      fi

               - name: Validate with Ollama
                 if: steps.extract.outputs.content_found == 'true'
                 id: validate
                 run: |
                      RESUME=$(cat /tmp/resume.txt)

                      PROMPT="You are a recruiting manager evaluating candidates for a Technical Writing position.

                      Assess this resume on:
                      1. Tone: Is it professional, confident, and appropriate for technical communication roles?
                      2. Understandability: Is the writing clear, well-organized, and easy to follow?
                      3. Technical Writing Skills: Does the candidate demonstrate ability to explain complex concepts clearly?

                      Resume:
                      $RESUME

                      Respond with JSON:
                      {
                        \"tone\": \"brief assessment\",
                        \"understandability\": \"brief assessment\",
                        \"assessment\": \"PASS or FAIL\",
                        \"reason\": \"one sentence explaining your decision\"
                      }"

                      RESPONSE=$(curl -s -X POST http://ollama:11434/api/generate \
                        -H "Content-Type: application/json" \
                        -d "{
                          \"model\": \"phi:2.7b\",
                          \"prompt\": $(echo "$PROMPT" | jq -Rs .),
                          \"stream\": false
                        }")

                      RESULT=$(echo "$RESPONSE" | jq -r '.response')
                      echo "validation_result=$RESULT" >> $GITHUB_OUTPUT
                      echo "$RESULT"

               - name: Parse validation result
                 if: steps.extract.outputs.content_found == 'true'
                 id: parse
                 run: |
                      RESULT="${{ steps.validate.outputs.validation_result }}"

                      JSON=$(echo "$RESULT" | grep -o '{.*}' | head -1)

                      if [ -z "$JSON" ]; then
                        echo "Could not parse response as JSON"
                        echo "assessment=FAIL" >> $GITHUB_OUTPUT
                        exit 1
                      fi

                      ASSESSMENT=$(echo "$JSON" | jq -r '.assessment')
                      TONE=$(echo "$JSON" | jq -r '.tone')
                      UNDERSTANDABILITY=$(echo "$JSON" | jq -r '.understandability')
                      REASON=$(echo "$JSON" | jq -r '.reason')

                      echo "assessment=$ASSESSMENT" >> $GITHUB_OUTPUT
                      echo "tone=$TONE" >> $GITHUB_OUTPUT
                      echo "understandability=$UNDERSTANDABILITY" >> $GITHUB_OUTPUT
                      echo "reason=$REASON" >> $GITHUB_OUTPUT

                      echo "---"
                      echo "Assessment: $ASSESSMENT"
                      echo "Tone: $TONE"
                      echo "Understandability: $UNDERSTANDABILITY"
                      echo "Reason: $REASON"

               - name: Block if assessment fails
                 if: steps.extract.outputs.content_found == 'true'
                 run: |
                      ASSESSMENT="${{ steps.parse.outputs.assessment }}"

                      if [ "$ASSESSMENT" = "FAIL" ]; then
                        echo "❌ Resume assessment: FAIL"
                        echo "${{ steps.parse.outputs.reason }}"
                        exit 1
                      else
                        echo "✅ Resume assessment: PASS"
                        echo "${{ steps.parse.outputs.reason }}"
                      fi

               - name: Resume not found
                 if: steps.extract.outputs.content_found == 'false'
                 run: |
                      echo "❌ content/resume.md not found"
                      exit 1