# UVM Generator GitLab CI/CD Pipeline
# Triggered on pushes to main and merge requests

stages:
  - lint
  - test
  - generate
  - regression
  - schema
  - pages

variables:
  PIP_CACHE_DIR: "$CI_PROJECT_DIR/.pip-cache"
  UVMGEN_LOG_LEVEL: "INFO"
  PYTHONUTF8: "1"

cache:
  key: ${CI_COMMIT_REF_SLUG}
  paths:
    - .pip-cache/
    - .pytest_cache/

# ==============================================================================
# Lint Stage
# ==============================================================================

lint:ruff:
  stage: lint
  image: python:3.11-slim
  before_script:
    - pip install --quiet ruff yamllint
  script:
    - ruff check src/ backend/ regression/ --ignore=E501
    - yamllint protocols/*.yaml regression/*.yaml --no-warnings
  rules:
    - if: $CI_PIPELINE_SOURCE == "merge_request_event"
    - if: $CI_COMMIT_BRANCH == "main"

lint:mypy:
  stage: lint
  image: python:3.11-slim
  before_script:
    - pip install --quiet mypy pydantic pyyaml jinja2
    - pip install --quiet types-PyYAML types-setuptools
  script:
    - mypy src/ --ignore-missing-imports --no-strict-optional --follow-imports=skip
  rules:
    - if: $CI_PIPELINE_SOURCE == "merge_request_event"
    - if: $CI_COMMIT_BRANCH == "main"

# ==============================================================================
# Test Stage — multi-python-version
# ==============================================================================

test:3.10:
  stage: test
  image: python:3.10-slim
  before_script:
    - pip install --quiet pytest pytest-cov
    - pip install --quiet -e .
  script:
    - pytest tests/ -v --cov=src --cov-report=term --cov-report=html:coverage_html --junitxml=report.xml
  artifacts:
    reports:
      junit: report.xml
      coverage_report:
        coverage_format: cobertura
        path: coverage_html/
    paths:
      - coverage_html/
    expire_in: 30 days

test:3.11:
  stage: test
  image: python:3.11-slim
  before_script:
    - pip install --quiet pytest pytest-cov
    - pip install --quiet -e .
  script:
    - pytest tests/ -v --cov=src --cov-report=term --junitxml=report.xml
  artifacts:
    reports:
      junit: report.xml
    expire_in: 30 days

test:3.12:
  stage: test
  image: python:3.12-slim
  before_script:
    - pip install --quiet pytest pytest-cov
    - pip install --quiet -e .
  script:
    - pytest tests/ -v --cov=src --cov-report=term --junitxml=report.xml
  artifacts:
    reports:
      junit: report.xml
    expire_in: 30 days

# ==============================================================================
# Generate Stage — smoke tests
# ==============================================================================

generate:yaml:
  stage: generate
  image: python:3.11-slim
  before_script:
    - pip install --quiet pyyaml jinja2
  script:
    - python -c "
import yaml
from pathlib import Path
from src.config import DesignSpec

errors = []
for spec_file in sorted(Path('protocols').glob('*.yaml')):
    try:
        raw = yaml.safe_load(spec_file.read_text())
        spec = DesignSpec(**raw)
        print(f'  OK: {spec_file.name} -> {spec.design_name} ({spec.protocol})')
    except Exception as e:
        errors.append(f'{spec_file.name}: {e}')
        print(f'  FAIL: {spec_file.name}: {e}')
if errors:
    exit(1)
"
  rules:
    - if: $CI_COMMIT_BRANCH == "main"

generate:rtl:
  stage: generate
  image: python:3.11-slim
  before_script:
    - pip install --quiet pyyaml jinja2
  script:
    - python -c "
from src.data.rtl_parser import RTLParser
from pathlib import Path
rtl_dir = Path('rtl_examples')
if not rtl_dir.exists():
    print('  SKIP: No rtl_examples directory')
    exit(0)
errors = []
for rtl_file in sorted(rtl_dir.glob('*.v')):
    try:
        spec = RTLParser().parse(rtl_file.read_text())
        regs = spec.get('registers', [])
        ifaces = spec.get('interfaces', [{}])[0].get('signals', [])
        print(f'  OK: {rtl_file.name} -> {spec[\"design_name\"]} ({spec.get(\"protocol\",\"?\")})')
        print(f'       regs={len(regs)}, ports={len(ifaces)}')
    except Exception as e:
        errors.append(f'{rtl_file.name}: {e}')
        print(f'  FAIL: {rtl_file.name}: {e}')
if errors:
    exit(1)
"
  rules:
    - if: $CI_COMMIT_BRANCH == "main"

# ==============================================================================
# Regression Stage
# ==============================================================================

regression:smoke:
  stage: regression
  image: python:3.11-slim
  before_script:
    - pip install --quiet pyyaml jinja2
  script:
    - python -c "
from src.pipeline import TBPipeline
from src.config import PipelineConfig
import tempfile, yaml

spec = {
    'design_name': 'regression_test',
    'protocol': 'apb',
    'interfaces': [{'name': 'bus', 'signals': [
        {'name': 'clk', 'direction': 'input'},
        {'name': 'rst_n', 'direction': 'input'},
        {'name': 'psel', 'direction': 'input'},
        {'name': 'penable', 'direction': 'input'},
        {'name': 'paddr', 'direction': 'input', 'width': 3},
        {'name': 'pwrite', 'direction': 'input'},
        {'name': 'pwdata', 'direction': 'input', 'width': 8},
        {'name': 'prdata', 'direction': 'output', 'width': 8},
    ]}],
    'registers': [
        {'name': 'Control', 'address': '0x00', 'size': 8, 'access': 'rw'},
        {'name': 'Status', 'address': '0x04', 'size': 8, 'access': 'ro'},
    ],
}
with tempfile.NamedTemporaryFile(mode='w', suffix='.yaml', delete=False) as f:
    yaml.dump(spec, f)
    spec_path = f.name

pipeline = TBPipeline()
result = pipeline.run(spec_path)
print(f'  Files: {len(result[\"generated_files\"])}')
print(f'  Passed: {result[\"passed\"]}')
print(f'  Quality: {result.get(\"quality_score\", 0):.2f}')
"
  rules:
    - if: $CI_COMMIT_BRANCH == "main"

# ==============================================================================
# Schema Validation
# ==============================================================================

schema:validate:
  stage: schema
  image: python:3.11-slim
  before_script:
    - pip install --quiet pyyaml pydantic
  script:
    - python -c "
from src.config import DesignSpec
import yaml
from pathlib import Path

errors = []
for spec_file in sorted(Path('protocols').glob('*.yaml')):
    try:
        raw = yaml.safe_load(spec_file.read_text())
        DesignSpec(**raw)
    except Exception as e:
        errors.append(f'{spec_file.name}: {e}')
        print(f'  FAIL: {spec_file.name}: {e}')
if errors:
    print(f'  {len(errors)} spec(s) failed validation')
    exit(1)
else:
    print(f'  All specs valid ({len(list(Path(\"protocols\").glob(\"*.yaml\")))} checked)')
"
  rules:
    - if: $CI_COMMIT_BRANCH == "main"

# ==============================================================================
# Pages — publish coverage dashboard
# ==============================================================================

pages:
  stage: pages
  image: python:3.11-slim
  before_script:
    - pip install --quiet pyyaml jinja2
  script:
    - mkdir -p public/
    - python -c "
import yaml
from pathlib import Path

html = '''<!DOCTYPE html>
<html lang=\"en\">
<head>
<meta charset=\"UTF-8\">
<meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">
<title>UVM Generator — CI Dashboard</title>
<style>
  body { font-family: 'Courier New', monospace; background: #0d1117; color: #c9d1d9; margin: 0; padding: 20px; }
  h1 { color: #58a6ff; border-bottom: 2px solid #30363d; }
  .card { background: #161b22; border: 1px solid #30363d; border-radius: 8px; padding: 16px; margin: 12px 0; }
  table { width: 100%; border-collapse: collapse; }
  th, td { border: 1px solid #30363d; padding: 8px 12px; text-align: left; }
  th { background: #21262d; color: #58a6ff; }
  .ok { color: #00d4aa; } .warn { color: #ffd93d; } .fail { color: #ff6b6b; }
  .footer { margin-top: 30px; color: #484f58; font-size: 0.85em; }
</style>
</head>
<body>
<h1>UVM Generator — CI Coverage Dashboard</h1>
<div class=\"card\">
<h2>Protocol Specifications</h2>
<table><thead><tr><th>File</th><th>Design</th><th>Protocol</th><th>Registers</th><th>Signals</th></tr></thead><tbody>
'''

for spec_file in sorted(Path('protocols').glob('*.yaml')):
    raw = yaml.safe_load(spec_file.read_text())
    dn = raw.get('design_name', '?')
    pr = raw.get('protocol', '?')
    regs = len(raw.get('registers', []))
    sigs = len(raw.get('interfaces', [{}])[0].get('signals', [])) if raw.get('interfaces') else 0
    html += f'<tr><td>{spec_file.name}</td><td>{dn}</td><td>{pr}</td><td>{regs}</td><td>{sigs}</td></tr>'

html += '''</tbody></table>
</div>
<div class=\"card\">
<h2>Pipeline Status</h2>
<p>Commit: <code>$CI_COMMIT_SHORT_SHA</code></p>
<p>Branch: <code>$CI_COMMIT_BRANCH</code></p>
<p>Status: <span class=\"ok\">PASSED</span></p>
<p>User: $GITLAB_USER_NAME</p>
</div>
<div class=\"footer\">
<p>Generated by UVM Generator CI — GitLab Pages &middot; Powered by AI + Templates + RL</p>
</div>
</body></html>'''
Path('public/index.html').write_text(html, encoding='utf-8')
print('Dashboard generated: public/index.html')
"
  artifacts:
    paths:
      - public/
  only:
    - main