---
# https://taskfile.dev

version: "3"

vars:
  COVERAGE_FILE: "{{.OUT_DIR}}/coverage.out"
  BENCH_FILE: "{{.OUT_DIR}}/bench.out"
  TEST_FILE: "{{.OUT_DIR}}/test.out"
  INTERNAL: "./internal/..."
  API: "./api/..."
  PKG: "./pkg/..."
  CMD: "./cmd/..."
  CPU_COUNT:
    sh: |
      # First try nproc (Linux)
      if command -v nproc >/dev/null 2>&1; then
        nproc
      # Fall back to sysctl (macOS)
      elif [ "$(uname)" = "Darwin" ]; then
        sysctl -n hw.ncpu
      # Fall back to Windows approach
      elif [ "$(uname)" = "Windows" ] || [ "$(uname)" = "MINGW"* ]; then
        echo "$NUMBER_OF_PROCESSORS"
      else
        echo "4"  # Default fallback value
      fi
  TEST_PARALLEL:
    sh: echo $(( {{.CPU_COUNT}} ))
  # yamllint disable-line rule:line-length
  EXCLUDED_FILES: ".gen.go|internal/serviceconfig/observability/prometheus/generator/main.go|internal/cognitoauth/middleware.go|internal/cognitoauth/token.go|internal/cognitoauth/auth.go|internal/cognitoauth/handler.go|internal/cognitoauth/models.go|api/queryAPI/authHandlers.go|api/queryAPI/homehandler.go"

tasks:
  mocks:generate:
    run: once
    cmds:
      - rm -rf mocks/*
      - go tool mockery --log-level=""
  functional:
    cmds:
      - mkdir -p {{.OUT_DIR}}
      - |
        GOMAXPROCS={{.TEST_PARALLEL}} go test -count=1 -parallel {{.CPU_COUNT}} \
        -coverpkg={{.INTERNAL}},{{.API}},{{.PKG}} \
        -coverprofile={{.COVERAGE_FILE}} \
        ./...
      - task: coverage
  perf:
    vars:
      NUM_RESULTS: 5
    cmds:
      - |
        GOMAXPROCS={{.TEST_PARALLEL}} go test -count=1 -parallel {{.TEST_PARALLEL}} -json ./... \
        > {{.TEST_FILE}}
      - |
        echo -e "🐢 TOP {{.NUM_RESULTS}} SLOWEST INDIVIDUAL PACKAGE RUNS:"
        jq -r 'select(.Action == "pass" and .Test == null) | "\(.Elapsed)s \(.Package)"' "{{.TEST_FILE}}" | \
          sort -rn | head -n {{.NUM_RESULTS}}

        echo -e "\n📉 TOP {{.NUM_RESULTS}} SLOWEST TESTS:"
        jq -r 'select(.Action == "pass" and .Test != null) | "\(.Elapsed)s \(.Test) (\(.Package))"' "{{.TEST_FILE}}" | \
          sort -rn | head -n {{.NUM_RESULTS}}

        SLOWEST_PKG=$(jq -r 'select(.Action == "pass") | [.Package, .Elapsed] | @tsv' "{{.TEST_FILE}}" |
        awk '{pkg[$1] += $2} END {for (p in pkg) print pkg[p] "s " p}' |
        sort -rn | head -n 1 | awk '{print $2}')

        echo -e "\n🔎 TOP {{.NUM_RESULTS}} SLOWEST TESTS IN SLOWEST PACKAGE ($SLOWEST_PKG):"
        jq -r --arg pkg "$SLOWEST_PKG" \
          'select(.Action == "pass" and .Test != null and .Package == $pkg) | "\(.Elapsed)s \(.Test)"' "{{.TEST_FILE}}" |
          sort -rn | head -n {{.NUM_RESULTS}}
  bench:
    vars:
      TMP_FILE: "{{.OUT_DIR}}/coverage.tmp"
      FILTER_COVERAGE_FILE: "{{.OUT_DIR}}/filtered_coverage.out"
    cmds:
      - go test -run ^Benchmark -bench=. ./... > {{.BENCH_FILE}}
      - benchstat {{.BENCH_FILE}}
  unit:short:
    deps:
      - mocks:generate
    cmds:
      - mkdir -p {{.OUT_DIR}}
      - |
        go test -parallel {{.TEST_PARALLEL}} -short \
          {{.INTERNAL}} {{.API}} {{.CLI_ARGS}}
  coverage:
    internal: true
    vars:
      TMP_FILE: "{{.OUT_DIR}}/coverage.tmp"
      FILTER_COVERAGE_FILE: "{{.OUT_DIR}}/filtered_coverage.out"
    cmds:
      - grep -v -E "{{.EXCLUDED_FILES}}" {{.COVERAGE_FILE}} > {{.FILTER_COVERAGE_FILE}}
      - go tool cover -func={{.FILTER_COVERAGE_FILE}} > {{.TMP_FILE}}
      - |
        COVERAGE=$(grep total: {{.TMP_FILE}} | awk '{print $NF}' | sed 's/%//')
        echo "Coverage Threshold: {{.COVERAGE_THRESHOLD}}%"
        echo "Total Coverage: $COVERAGE%"

        FAIL=false
        if (( $(echo "$COVERAGE < {{.COVERAGE_THRESHOLD}}" | bc -l) )); then
          echo "❌ Error: Total Coverage below Coverage Threshold"
          FAIL=true
        fi

        echo "Function Coverage Threshold: {{.FUNCTION_COVERAGE_THRESHOLD}}%"

        awk -v threshold="{{.FUNCTION_COVERAGE_THRESHOLD}}" '
        !/total:/ {
          line = $0;
          coverage = $NF;
          gsub(/%/, "", coverage);

          if (coverage + 0 < threshold + 0) {
            if (!printed_header) {
              print "❌ Error: The following functions have coverage below " threshold "%:";
              printed_header = 1;
            }
            print line;
            exit_code = 1;
          }
        }
        END {
          exit exit_code;
        }
        ' {{.TMP_FILE}}

        if [ $? -eq 1 ]; then
          FAIL=true
        fi

        if [ "$FAIL" = true ]; then
          exit 1
        fi

        echo "✅ All coverage checks passed!"