name: Balance Check

on:
  push:
    branches: [main]
    paths:
      - 'packages/shared/src/constants/**'
      - 'packages/game-engine/src/**'
      - 'packages/game-simulation/**'
  pull_request:
    branches: [main]
    paths:
      - 'packages/shared/src/constants/**'
      - 'packages/game-engine/src/**'
      - 'packages/game-simulation/**'

jobs:
  balance-simulation:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Install pnpm
        uses: pnpm/action-setup@v4

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '22'
          cache: 'pnpm'

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

      - name: Run greedy simulation
        run: pnpm --filter @ai-tycoon/game-simulation simulate:ci

      - name: Run random simulation
        if: always()
        run: |
          cd packages/game-simulation
          npx tsx src/simulate.ts --strategy random --ticks 28800 --json --seed 42

      - name: Upload balance reports
        if: always()
        uses: actions/upload-artifact@v4
        with:
          name: balance-reports
          path: |
            packages/game-simulation/balance-report*.json
            packages/game-simulation/balance-metrics*.csv

  multi-run-balance:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Install pnpm
        uses: pnpm/action-setup@v4

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '22'
          cache: 'pnpm'

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

      - name: Run multi-simulation (5 runs)
        run: pnpm --filter @ai-tycoon/game-simulation multirun -- --runs 5 --parallel 2 --strategy greedy --ticks 28800 --no-timeseries

      - name: Interpret results
        if: always()
        run: pnpm --filter @ai-tycoon/game-simulation interpret -- --summary packages/game-simulation/multirun-summary.csv

      - name: Upload multi-run reports
        if: always()
        uses: actions/upload-artifact@v4
        with:
          name: multirun-reports
          path: packages/game-simulation/multirun-*.csv