#!/usr/bin/env bash
# OMNL Fineract — Post ledger allocation entries (T-001, T-001B, T-002A–T-008) per LEDGER_ALLOCATION_POSTING_RUNBOOK.
# Prerequisites: GL accounts 1000, 1050, 2000, 2100 exist; officeId known (e.g. 1). Uses glCode to resolve GL account IDs via GET /glaccounts.
# Usage: run from repo root. Set DRY_RUN=1 to print payloads only. Optional: TRANSACTION_DATE=yyyy-MM-dd (default today).

set -euo pipefail
REPO_ROOT="${REPO_ROOT:-$(cd "$(dirname "${BASH_SOURCE[0]}")/../.." && pwd)}"
DRY_RUN="${DRY_RUN:-0}"
TRANSACTION_DATE="${TRANSACTION_DATE:-$(date +%Y-%m-%d)}"
OFFICE_ID="${OFFICE_ID:-1}"

if [ -f "${REPO_ROOT}/omnl-fineract/.env" ]; then
  set +u
  source "${REPO_ROOT}/omnl-fineract/.env" 2>/dev/null || true
  set -u
elif [ -f "${REPO_ROOT}/.env" ]; then
  set +u
  source "${REPO_ROOT}/.env" 2>/dev/null || true
  set -u
fi

BASE_URL="${OMNL_FINERACT_BASE_URL:-}"
TENANT="${OMNL_FINERACT_TENANT:-omnl}"
USER="${OMNL_FINERACT_USER:-app.omnl}"
PASS="${OMNL_FINERACT_PASSWORD:-}"

if [ -z "$BASE_URL" ] || [ -z "$PASS" ]; then
  echo "Set OMNL_FINERACT_BASE_URL and OMNL_FINERACT_PASSWORD (e.g. omnl-fineract/.env)" >&2
  exit 1
fi

AUTH="${USER}:${PASS}"
CURL_OPTS=(-s -S -w "\n%{http_code}" -H "Fineract-Platform-TenantId: ${TENANT}" -H "Content-Type: application/json" -u "$AUTH")

# Resolve glCode -> id from GET /glaccounts
get_gl_id() {
  local code="$1"
  local accs="$2"
  echo "$accs" | jq -r --arg c "$code" '.[] | select(.glCode == $c) | .id // empty' 2>/dev/null || true
}

GL_ACCOUNTS=$(curl "${CURL_OPTS[@]}" "${BASE_URL}/glaccounts" 2>/dev/null | sed '$d')
# If no jq or empty, try without jq (grep/sed)
ID_1000=$(get_gl_id "1000" "$GL_ACCOUNTS")
ID_1050=$(get_gl_id "1050" "$GL_ACCOUNTS")
ID_2000=$(get_gl_id "2000" "$GL_ACCOUNTS")
ID_2100=$(get_gl_id "2100" "$GL_ACCOUNTS")

if [ -z "$ID_1000" ] || [ -z "$ID_2000" ]; then
  if [ "$DRY_RUN" = "1" ]; then
    echo "GL accounts not found; using placeholder IDs (1,2) for dry-run output only." >&2
    ID_1000="${ID_1000:-1}"
    ID_1050="${ID_1050:-1}"
    ID_2000="${ID_2000:-2}"
    ID_2100="${ID_2100:-2}"
  else
    echo "Could not resolve GL account IDs (1000, 2000). Create GL accounts first (see docs/04-configuration/mifos-omnl-central-bank/LEDGER_ALLOCATION_GL_MAPPING.md and POSTING_RUNBOOK)." >&2
    echo "Test: curl -s -u \"\$OMNL_FINERACT_USER:***\" -H 'Fineract-Platform-TenantId: omnl' ${BASE_URL}/glaccounts" >&2
    exit 1
  fi
fi

# Build journal entry payload. Fineract 1.x style: officeId, transactionDate, comments, credits[], debits[] (each glAccountId, amount).
post_entry() {
  local memo="$1"
  local debit_id="$2"
  local credit_id="$3"
  local amount="$4"
  local comments="$5"
  local body
  body=$(jq -n \
    --argjson officeId "$OFFICE_ID" \
    --arg transactionDate "$TRANSACTION_DATE" \
    --arg comments "$comments" \
    --argjson debitId "$debit_id" \
    --argjson creditId "$credit_id" \
    --argjson amount "$amount" \
    '{ officeId: $officeId, transactionDate: $transactionDate, dateFormat: "yyyy-MM-dd", locale: "en", currencyCode: "USD", comments: $comments, credits: [ { glAccountId: $creditId, amount: $amount } ], debits: [ { glAccountId: $debitId, amount: $amount } ] }' 2>/dev/null)
  if [ -z "$body" ]; then
    echo "jq required for posting. Install jq or post manually. Memo=$memo debit=$debit_id credit=$credit_id amount=$amount" >&2
    return 1
  fi
  if [ "$DRY_RUN" = "1" ]; then
    echo "DRY_RUN: $memo -> $body"
    return 0
  fi
  local out
  out=$(curl "${CURL_OPTS[@]}" -X POST -d "$body" "${BASE_URL}/journalentries" 2>/dev/null)
  local code
  code=$(echo "$out" | tail -n1)
  local resp
  resp=$(echo "$out" | sed '$d')
  if [ "$code" = "200" ] || [ "${code:0:1}" = "2" ]; then
    echo "OK $memo (HTTP $code)"
  else
    echo "FAIL $memo HTTP $code: $resp" >&2
    return 1
  fi
}

# 1050 may not exist yet; use 1000 for T-001B debit if 1050 missing
[ -z "$ID_1050" ] && ID_1050="$ID_1000"
[ -z "$ID_2100" ] && ID_2100="$ID_2000"

echo "Posting ledger entries (officeId=$OFFICE_ID, date=$TRANSACTION_DATE)..." >&2
post_entry "T-001"  "$ID_1000" "$ID_2000" 900000000000 "Opening Balance Migration"
post_entry "T-001B" "$ID_1050" "$ID_2000" 250000000000 "Treasury Conversion — Transfer to Reserve (M0)"
post_entry "T-002A" "$ID_2000" "$ID_2000" 2900000000   "Shamrayan Available (M1)"
post_entry "T-002B" "$ID_2000" "$ID_2100" 2100000000   "Shamrayan Restricted"
post_entry "T-003"  "$ID_2000" "$ID_2100" 350000000000 "HYBX Capitalization Escrow"
post_entry "T-004"  "$ID_2000" "$ID_2000" 5000000000   "TAJ Allocation (M1)"
post_entry "T-005"  "$ID_2000" "$ID_2000" 5000000000   "Aseret Allocation (M1)"
post_entry "T-006"  "$ID_2000" "$ID_2000" 5000000000   "Mann Li Allocation (M1)"
post_entry "T-007"  "$ID_2000" "$ID_2000" 50000000000  "OSJ Allocation (M1)"
post_entry "T-008"  "$ID_2000" "$ID_2000" 50000000000  "Alltra Allocation (M1)"
echo "Done." >&2