#!/usr/bin/env bash
set -euo pipefail

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
SKILL_ROOT="$(cd "$SCRIPT_DIR/.." && pwd)"
SKILL_FILE="$SKILL_ROOT/SKILL.md"
INPUT_EXAMPLE="$SKILL_ROOT/examples/input-pr-review.md"
OUTPUT_EXAMPLE="$SKILL_ROOT/examples/output-organized-feedback.md"

if ! command -v rg >/dev/null 2>&1; then
  echo "FAIL: rg is required but was not found in PATH"
  exit 1
fi

if [[ ! -f "$SKILL_FILE" ]]; then
  echo "FAIL: missing $SKILL_FILE"
  exit 1
fi

for example_file in "$INPUT_EXAMPLE" "$OUTPUT_EXAMPLE"; do
  if [[ ! -f "$example_file" ]]; then
    echo "FAIL: missing $example_file"
    exit 1
  fi
done

anchored_patterns=(
  '^## Inputs$'
  '^## Hard Gates$'
  '^## Classification Taxonomy$'
  '^## RFC Subfields$'
  '^## Processing Flow$'
  '^## Interaction-Only Coverage Audit$'
  '^## Unknown Handling$'
  '^## Final File Format$'
  '^## Output Discipline$'
  '^- `Change-Scope`: how broad the requested change is\.$'
  '^  - `local`: .+$'
  '^  - `implement`: .+$'
  '^  - `api-change`: .+$'
  '^  - `requirement-change`: .+$'
  '^- `Necessity`: how strongly the change is required\.$'
  '^  - `nice-to-have`: .+$'
  '^  - `should-fix`: .+$'
  '^  - `must-fix`: .+$'
  '^- `All-Source-Refs`: every source reference found in the interaction$'
  '^- `Covered-Source-Refs`: refs that are represented in the organized output$'
  '^- `Missing-Source-Refs`: refs that are present in the interaction but not yet covered$'
  '^Source reference format rule:$'
  '^- Use `R` \+ PR numbering path from the source markdown\.$'
  '^- Example mapping: `Comment 42\.1\.1` -> `R42\.1\.1`, `Reply 42\.1\.1\.1` -> `R42\.1\.1\.1`\.$'
)

for pattern in "${anchored_patterns[@]}"; do
  if ! rg -n -q --pcre2 "$pattern" "$SKILL_FILE"; then
    echo "FAIL: missing required rule -> $pattern"
    exit 1
  fi
done

for pattern in "All refs" "Covered refs" "Missing refs"; do
  if rg -Fq "$pattern" "$SKILL_FILE"; then
    echo "FAIL: legacy alias found -> $pattern"
    exit 1
  fi
done

for pattern in "output path" "interaction" "coverage audit" "unknown count" "reflection pass" "Unknown Items"; do
  if ! rg -Fq -- "$pattern" "$SKILL_FILE"; then
    echo "FAIL: missing required rule -> $pattern"
    exit 1
  fi
done

if ! rg -Fq -- "unknown（>=1）" "$SKILL_FILE" || ! rg -Fq -- "反思复判" "$SKILL_FILE"; then
  echo "FAIL: missing unknown reflection rule semantics (unknown>=1 + 反思复判)"
  exit 1
fi

if rg -Fq "Coverage Audit" "$OUTPUT_EXAMPLE"; then
  echo "FAIL: coverage audit must not appear in $OUTPUT_EXAMPLE"
  exit 1
fi

if ! rg -n -q --pcre2 '^## Organized Feedback$' "$OUTPUT_EXAMPLE"; then
  echo "FAIL: missing ## Organized Feedback in $OUTPUT_EXAMPLE"
  exit 1
fi

if ! rg -Fq "Source-Refs:" "$OUTPUT_EXAMPLE"; then
  echo "FAIL: missing Source-Refs: line in $OUTPUT_EXAMPLE"
  exit 1
fi

if ! rg -n -q --pcre2 '^- Source-Refs: R[0-9]+(\.[0-9]+)+(, R[0-9]+(\.[0-9]+)+)*$' "$OUTPUT_EXAMPLE"; then
  echo "FAIL: Source-Refs lines must use R-prefixed numeric reference format"
  exit 1
fi

awk '
  BEGIN {
    in_section = 0
    item_count = 0
    item_has_source_refs = 0
    saw_item = 0
  }
  /^## Organized Feedback$/ {
    in_section = 1
    next
  }
  in_section && /^## / {
    if (saw_item && !item_has_source_refs) {
      bad = 1
    }
    exit
  }
  in_section {
    if ($0 ~ /^### Item [0-9]+$/) {
      if (saw_item && !item_has_source_refs) {
        bad = 1
      }
      saw_item = 1
      item_has_source_refs = 0
      item_count++
      next
    }
    if ($0 ~ /^- Source-Refs:/ && saw_item) {
      item_has_source_refs = 1
    }
  }
  END {
    if (in_section && saw_item && !item_has_source_refs) {
      bad = 1
    }
    exit bad
  }
' "$OUTPUT_EXAMPLE" || {
  echo "FAIL: each ### Item in Organized Feedback must include a Source-Refs line"
  exit 1
}

echo "PASS: organized-feedback hard gates validated"