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package bible
import (
"fmt"
"sort"
)
// CorpusReport is the outcome of validating one corpus's sidecar + text (see
// CheckCorpus). Errors mean the corpus is unusable/malformed and fail
// --corpus-check (exit 1); Warnings flag coverage gaps against the reference
// Vulgate ("vul") and never fail the check -- a corpus may legitimately be
// incomplete (the built-in wuj is) and still be a valid drop-in.
type CorpusReport struct {
Code string
Errors []string
Warnings []string
}
// OK reports whether the corpus is usable: no errors. Warnings never affect it.
func (r CorpusReport) OK() bool { return len(r.Errors) == 0 }
var validPsalmSystems = map[string]bool{"vulgate": true, "hebrew": true, "drb": true}
// CheckCorpus validates code's sidecar and text and reports coverage gaps vs
// "vul" as warnings.
//
// Sidecar: lang, name and psalm_system are required (psalm_system must be
// vulgate/hebrew/drb); sigla and autoselect are optional -- their absence, or
// autoselect=false, is never flagged (the built-in wuj sets autoselect=false
// and must pass clean).
//
// Text: every Book column value must be one of CanonicalBooks' 73 keys
// (error). A chapter missing entirely versus vul, a verse-number gap within a
// chapter, or a repeated verse number within a chapter, is a warning only --
// real source texts legitimately do this (e.g. the LXX's lettered doublet
// verses in 3 Kingdoms, or a scanned translation's occasional merged verse),
// and it must never turn a corpus that otherwise loads fine into a failure.
func CheckCorpus(code string) CorpusReport {
r := CorpusReport{Code: code}
m, ok := Meta(code)
if !ok || m.Lang == "" || m.Name == "" || m.PsalmSystem == "" {
r.Errors = append(r.Errors, "missing or incomplete sidecar (need lang, name, psalm_system)")
}
if m.PsalmSystem != "" && !validPsalmSystems[m.PsalmSystem] {
r.Errors = append(r.Errors, fmt.Sprintf("invalid psalm_system %q (want vulgate|hebrew|drb)", m.PsalmSystem))
}
c := load(code)
if len(c.books) == 0 {
r.Errors = append(r.Errors, "no verses parsed (empty or malformed .tsv)")
sort.Strings(r.Errors)
return r
}
canon := CanonicalBooks()
for book := range c.books {
if !canon[book] {
r.Errors = append(r.Errors, "unknown book name: "+book)
}
}
ref := load("vul")
for book, chaps := range c.books {
for ch, verses := range chaps {
seen := map[int]bool{}
maxV := 0
for _, v := range verses {
if seen[v.Verse] {
r.Warnings = append(r.Warnings, fmt.Sprintf("%s %d: duplicate verse %d", book, ch, v.Verse))
}
seen[v.Verse] = true
if v.Verse > maxV {
maxV = v.Verse
}
}
if maxV > len(seen) {
r.Warnings = append(r.Warnings, fmt.Sprintf("%s %d: verse gap (have %d verse(s), highest numbered %d)", book, ch, len(seen), maxV))
}
}
if refChaps, ok := ref.books[book]; ok {
for ch := range refChaps {
if _, have := chaps[ch]; !have {
r.Warnings = append(r.Warnings, fmt.Sprintf("%s: missing chapter %d (present in vul)", book, ch))
}
}
}
}
sort.Strings(r.Errors)
sort.Strings(r.Warnings)
return r
}
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