name: CI

on:
  push:
    branches: [main]
  pull_request:
    branches: [main]

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

env:
  NODE_VERSION: "20"
  PNPM_VERSION: "9.14.2"

jobs:
  # ──────────────────────────────────────────────
  # Typecheck — ~40s, no services needed
  # ──────────────────────────────────────────────
  typecheck:
    name: Typecheck
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - uses: pnpm/action-setup@v4
        with:
          version: ${{ env.PNPM_VERSION }}

      - uses: actions/setup-node@v4
        with:
          node-version: ${{ env.NODE_VERSION }}
          cache: pnpm

      - name: Install dependencies
        run: pnpm install --frozen-lockfile

      - name: Generate Prisma client
        run: pnpm --filter @planarchy/db exec prisma generate

      - name: Cache Turborepo
        uses: actions/cache@v4
        with:
          path: .turbo
          key: turbo-typecheck-${{ github.sha }}
          restore-keys: turbo-typecheck-

      - name: Run typecheck
        run: pnpm --filter @planarchy/web exec tsc --noEmit

  # ──────────────────────────────────────────────
  # Lint — ~20s, no services needed
  # ──────────────────────────────────────────────
  lint:
    name: Lint
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - uses: pnpm/action-setup@v4
        with:
          version: ${{ env.PNPM_VERSION }}

      - uses: actions/setup-node@v4
        with:
          node-version: ${{ env.NODE_VERSION }}
          cache: pnpm

      - name: Install dependencies
        run: pnpm install --frozen-lockfile

      - name: Generate Prisma client
        run: pnpm --filter @planarchy/db exec prisma generate

      - name: Cache Turborepo
        uses: actions/cache@v4
        with:
          path: .turbo
          key: turbo-lint-${{ github.sha }}
          restore-keys: turbo-lint-

      - name: Run lint
        run: pnpm lint

  # ──────────────────────────────────────────────
  # Unit tests — needs PostgreSQL + Redis
  # ──────────────────────────────────────────────
  test:
    name: Unit Tests
    runs-on: ubuntu-latest
    services:
      postgres:
        image: postgres:16
        env:
          POSTGRES_DB: planarchy_test
          POSTGRES_USER: planarchy
          POSTGRES_PASSWORD: planarchy_test
        ports:
          - 5432:5432
        options: >-
          --health-cmd="pg_isready -U planarchy -d planarchy_test"
          --health-interval=10s
          --health-timeout=5s
          --health-retries=5
      redis:
        image: redis:7
        ports:
          - 6379:6379
        options: >-
          --health-cmd="redis-cli ping"
          --health-interval=10s
          --health-timeout=5s
          --health-retries=5
    env:
      DATABASE_URL: postgresql://planarchy:planarchy_test@localhost:5432/planarchy_test
      REDIS_URL: redis://localhost:6379
    steps:
      - uses: actions/checkout@v4

      - uses: pnpm/action-setup@v4
        with:
          version: ${{ env.PNPM_VERSION }}

      - uses: actions/setup-node@v4
        with:
          node-version: ${{ env.NODE_VERSION }}
          cache: pnpm

      - name: Install dependencies
        run: pnpm install --frozen-lockfile

      - name: Generate Prisma client
        run: pnpm --filter @planarchy/db exec prisma generate

      - name: Run unit tests
        run: pnpm test:unit

  # ──────────────────────────────────────────────
  # Build — depends on typecheck passing
  # ──────────────────────────────────────────────
  build:
    name: Build
    needs: [typecheck]
    runs-on: ubuntu-latest
    env:
      DATABASE_URL: postgresql://placeholder:placeholder@localhost:5432/placeholder
    steps:
      - uses: actions/checkout@v4

      - uses: pnpm/action-setup@v4
        with:
          version: ${{ env.PNPM_VERSION }}

      - uses: actions/setup-node@v4
        with:
          node-version: ${{ env.NODE_VERSION }}
          cache: pnpm

      - name: Install dependencies
        run: pnpm install --frozen-lockfile

      - name: Generate Prisma client
        run: pnpm --filter @planarchy/db exec prisma generate

      - name: Cache Turborepo
        uses: actions/cache@v4
        with:
          path: .turbo
          key: turbo-build-${{ github.sha }}
          restore-keys: turbo-build-

      - name: Cache Next.js build
        uses: actions/cache@v4
        with:
          path: apps/web/.next/cache
          key: nextjs-${{ hashFiles('pnpm-lock.yaml') }}-${{ github.sha }}
          restore-keys: nextjs-${{ hashFiles('pnpm-lock.yaml') }}-

      - name: Build
        run: pnpm --filter @planarchy/web exec next build

  # ──────────────────────────────────────────────
  # E2E — depends on build, needs PostgreSQL + Redis
  # ──────────────────────────────────────────────
  e2e:
    name: E2E Tests
    needs: [build]
    runs-on: ubuntu-latest
    services:
      postgres:
        image: postgres:16
        env:
          POSTGRES_DB: planarchy_test
          POSTGRES_USER: planarchy
          POSTGRES_PASSWORD: planarchy_test
        ports:
          - 5432:5432
        options: >-
          --health-cmd="pg_isready -U planarchy -d planarchy_test"
          --health-interval=10s
          --health-timeout=5s
          --health-retries=5
      redis:
        image: redis:7
        ports:
          - 6379:6379
        options: >-
          --health-cmd="redis-cli ping"
          --health-interval=10s
          --health-timeout=5s
          --health-retries=5
    env:
      DATABASE_URL: postgresql://planarchy:planarchy_test@localhost:5432/planarchy_test
      REDIS_URL: redis://localhost:6379
      PORT: 3100
    steps:
      - uses: actions/checkout@v4

      - uses: pnpm/action-setup@v4
        with:
          version: ${{ env.PNPM_VERSION }}

      - uses: actions/setup-node@v4
        with:
          node-version: ${{ env.NODE_VERSION }}
          cache: pnpm

      - name: Install dependencies
        run: pnpm install --frozen-lockfile

      - name: Generate Prisma client
        run: pnpm --filter @planarchy/db exec prisma generate

      - name: Cache Playwright browsers
        id: playwright-cache
        uses: actions/cache@v4
        with:
          path: ~/.cache/ms-playwright
          key: playwright-${{ hashFiles('apps/web/package.json') }}
          restore-keys: playwright-

      - name: Install Playwright browsers
        if: steps.playwright-cache.outputs.cache-hit != 'true'
        run: pnpm --filter @planarchy/web exec playwright install --with-deps chromium

      - name: Install Playwright system deps
        if: steps.playwright-cache.outputs.cache-hit == 'true'
        run: pnpm --filter @planarchy/web exec playwright install-deps chromium

      - name: Push DB schema & seed
        run: |
          pnpm db:push
          pnpm db:seed

      - name: Run E2E tests
        run: pnpm test:e2e

      - name: Upload Playwright report
        uses: actions/upload-artifact@v4
        if: ${{ !cancelled() }}
        with:
          name: playwright-report
          path: apps/web/playwright-report/
          retention-days: 14