#!/usr/bin/env bats
# tests/lint.bats — lib/lint.sh validators and the scoped-lint wrapper.
load helpers

setup() {
  source "$LIB_DIR/output.sh"
  source "$LIB_DIR/lint.sh"
}

write_page() {  # write_page <path> <type> <domain>
  cat > "$1" <<EOF
---
title: "T"
type: $2
domain: $3
tags: [x]
maturity: draft
last_updated: $(date +%F)
private: false
---
body
EOF
}

@test "lint_markdown_file: a clean page passes (0 errors)" {
  G="$(make_fixture_genome)"
  write_page "$G/wiki/sources/good.md" source genome-test
  run lint_markdown_file "$G/wiki/sources/good.md" genome-test
  [ "$status" -eq 0 ]
}

@test "lint_markdown_file: invalid type + wrong domain are caught" {
  G="$(make_fixture_genome)"
  write_page "$G/wiki/sources/bad.md" banana wrong-genome
  run lint_markdown_file "$G/wiki/sources/bad.md" genome-test
  [ "$status" -ne 0 ]
}

@test "check_privacy_consistency: a private/ file without 'private: true' fails" {
  G="$(make_fixture_genome)"
  # page sits in wiki/private/ but is flagged private: false → leak
  write_page "$G/wiki/private/p.md" private genome-test
  run check_privacy_consistency "$G/wiki/private/p.md"
  [ "$status" -ne 0 ]
}

@test "check_page_size: a >800-line page errors" {
  G="$(make_fixture_genome)"
  { write_page "$G/wiki/sources/big.md" source genome-test; yes "x" | head -n 850 >> "$G/wiki/sources/big.md"; }
  run check_page_size "$G/wiki/sources/big.md"
  [ "$status" -ne 0 ]
}

@test "scoped-lint: aggregates findings and exits non-zero on errors" {
  G="$(make_fixture_genome)"
  write_page "$G/wiki/sources/bad.md" banana wrong-genome
  cd "$G"
  export KG_LIB_DIR="$LIB_DIR"
  run bash "$SKILL_SCRIPTS/scoped-lint.sh" genome-test wiki/sources/bad.md
  [ "$status" -ne 0 ]
  [[ "$output" == *"error(s)"* ]]
}

@test "scoped-lint: a clean page passes (exit 0)" {
  G="$(make_fixture_genome)"
  write_page "$G/wiki/sources/good.md" source genome-test
  cd "$G"
  export KG_LIB_DIR="$LIB_DIR"
  run bash "$SKILL_SCRIPTS/scoped-lint.sh" genome-test wiki/sources/good.md
  [ "$status" -eq 0 ]
}

# --- duplicate-slug advisory (check_duplicates + its distance helpers) --------
# These guard the dedup feature: correct edit-distance math, the warn-only
# contract, the exact-self-match skip (run-ingest appends new slugs to the
# index before lint runs), and that the advisory fires once per run, not once
# per file.

@test "levenshtein: identical strings have distance 0" {
  run levenshtein cat cat
  [ "$status" -eq 0 ]
  [ "$output" -eq 0 ]
}

@test "levenshtein: kitten→sitting is 3 (textbook case)" {
  run levenshtein kitten sitting
  [ "$output" -eq 3 ]
}

@test "similarity: identical strings score 100" {
  run similarity gpu-pricing gpu-pricing
  [ "$output" -eq 100 ]
}

@test "check_duplicates: warns on a near-duplicate of an indexed concept" {
  G="$(make_fixture_genome)"; cd "$G"
  printf -- '- [[concepts/llm-routing]] — x\n' >> wiki/index.md
  cat > .ingest-manifest.json <<'JSON'
{"raw_source":"src","pages":[{"path":"wiki/concepts/llm-routings.md","status":"created"}]}
JSON
  run check_duplicates .ingest-manifest.json
  [ "$status" -eq 0 ]
  [[ "$output" == *"≈"* ]]
  [[ "$output" == *"llm-routings"* ]]
}

@test "check_duplicates: silent when the new slug is unlike anything indexed" {
  G="$(make_fixture_genome)"; cd "$G"
  printf -- '- [[concepts/llm-routing]] — x\n' >> wiki/index.md
  cat > .ingest-manifest.json <<'JSON'
{"raw_source":"src","pages":[{"path":"wiki/concepts/budget-hardware.md","status":"created"}]}
JSON
  run check_duplicates .ingest-manifest.json
  [ "$status" -eq 0 ]
  [[ "$output" != *"≈"* ]]
}

@test "check_duplicates: an exact self-match is not flagged (index already has the slug)" {
  G="$(make_fixture_genome)"; cd "$G"
  # run-ingest step 1 inserts this run's slug into the index BEFORE lint runs;
  # the slug must not be reported as a duplicate of itself.
  printf -- '- [[concepts/llm-routing]] — x\n' >> wiki/index.md
  cat > .ingest-manifest.json <<'JSON'
{"raw_source":"src","pages":[{"path":"wiki/concepts/llm-routing.md","status":"created"}]}
JSON
  run check_duplicates .ingest-manifest.json
  [ "$status" -eq 0 ]
  [[ "$output" != *"≈"* ]]
}

@test "scoped-lint: duplicate advisory fires once across multiple files, not per file" {
  G="$(make_fixture_genome)"
  write_page "$G/wiki/concepts/data-pipelines.md" concept genome-test
  write_page "$G/wiki/concepts/other-topic.md"    concept genome-test
  printf -- '- [[concepts/data-pipeline]] — x\n' >> "$G/wiki/index.md"
  cat > "$G/.ingest-manifest.json" <<'JSON'
{"raw_source":"src","pages":[
  {"path":"wiki/concepts/data-pipelines.md","status":"created"},
  {"path":"wiki/concepts/other-topic.md","status":"created"}
]}
JSON
  cd "$G"
  export KG_LIB_DIR="$LIB_DIR"
  run bash "$SKILL_SCRIPTS/scoped-lint.sh" genome-test \
      wiki/concepts/data-pipelines.md wiki/concepts/other-topic.md
  [ "$status" -eq 0 ]
  [ "$(grep -c "≈" <<< "$output")" -eq 1 ]
}