#!/usr/bin/env bash
# OMNL Fineract — Create one Office for Samama Group LLC (Azerbaijan) and optionally run 5B USD M1 transfer.
# Uses Fineract POST /offices (name, parentId, openingDate, externalId). See docs/04-configuration/mifos-omnl-central-bank/SAMAMA_OFFICE_AND_5B_M1_TRANSFER.md.
# Usage: run from repo root. Set DRY_RUN=1 to print only. Set SKIP_TRANSFER=1 to create office only.
#   OPENING_DATE=2024-01-10  (default)
# Requires: curl, jq.

set -euo pipefail
REPO_ROOT="${REPO_ROOT:-$(cd "$(dirname "${BASH_SOURCE[0]}")/../.." && pwd)}"
DRY_RUN="${DRY_RUN:-0}"
SKIP_TRANSFER="${SKIP_TRANSFER:-0}"
OPENING_DATE="${OPENING_DATE:-2024-01-10}"
SAMAMA_EXTERNAL_ID="${SAMAMA_EXTERNAL_ID:-SAMAMA-AZ-1703722701}"
SAMAMA_OFFICE_NAME="${SAMAMA_OFFICE_NAME:-Samama Group LLC - Azerbaijan}"

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

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

# Resolve existing office by externalId
offices_json=$(curl "${CURL_OPTS[@]}" "${BASE_URL}/offices" 2>/dev/null)
existing_id=$(echo "$offices_json" | jq -r --arg e "$SAMAMA_EXTERNAL_ID" '.[] | select(.externalId == $e) | .id' 2>/dev/null | head -1)

if [ -n "$existing_id" ] && [ "$existing_id" != "null" ]; then
  echo "Samama office already exists: officeId=$existing_id (externalId=$SAMAMA_EXTERNAL_ID)" >&2
  SAMAMA_OFFICE_ID="$existing_id"
else
  payload=$(jq -n \
    --arg name "$SAMAMA_OFFICE_NAME" \
    --arg openingDate "$OPENING_DATE" \
    --arg externalId "$SAMAMA_EXTERNAL_ID" \
    '{ name: $name, parentId: 1, openingDate: $openingDate, externalId: $externalId, dateFormat: "yyyy-MM-dd", locale: "en" }')
  if [ "$DRY_RUN" = "1" ]; then
    echo "DRY_RUN: would POST /offices with name=$SAMAMA_OFFICE_NAME externalId=$SAMAMA_EXTERNAL_ID openingDate=$OPENING_DATE" >&2
    echo "Payload: $payload" >&2
    exit 0
  fi
  res=$(curl "${CURL_OPTS[@]}" -X POST -d "$payload" "${BASE_URL}/offices" 2>/dev/null) || true
  if echo "$res" | jq -e '.resourceId // .officeId' >/dev/null 2>&1; then
    SAMAMA_OFFICE_ID=$(echo "$res" | jq -r '.resourceId // .officeId')
    echo "Created Samama office: officeId=$SAMAMA_OFFICE_ID" >&2
  else
    echo "Failed to create office: $res" >&2
    exit 1
  fi
fi

if [ "$SKIP_TRANSFER" = "1" ]; then
  echo "SKIP_TRANSFER=1: not posting 5B M1. Run with JOURNAL_MATRIX=.../omnl-journal-matrix-samama-5b.json and set OFFICE_ID_SAMAMA=$SAMAMA_OFFICE_ID, or run this script without SKIP_TRANSFER." >&2
  echo "OFFICE_ID_SAMAMA=$SAMAMA_OFFICE_ID"
  exit 0
fi

# Post 5B M1 transfer: HO leg (officeId=1) + Office leg (officeId=SAMAMA_OFFICE_ID)
# GL: 2100 (M1), 2410 (Due To), 1410 (Due From). Same pattern as T-004 (TAJ).
CURL_OPTS_HTTP=(-s -S -w "\n%{http_code}" -H "Fineract-Platform-TenantId: ${TENANT}" -H "Content-Type: application/json" -u "${USER}:${PASS}")
GL_ACCOUNTS=$(curl "${CURL_OPTS_HTTP[@]}" "${BASE_URL}/glaccounts" 2>/dev/null | sed '$d')
get_gl_id() {
  local code="$1"
  echo "$GL_ACCOUNTS" | jq -r --arg c "$code" '.[] | select(.glCode == $c) | .id // empty' 2>/dev/null || true
}

ID_2100=$(get_gl_id "2100")
ID_2410=$(get_gl_id "2410")
ID_1410=$(get_gl_id "1410")
TRANSACTION_DATE="${TRANSACTION_DATE:-$(date +%Y-%m-%d)}"

if [ -z "$ID_2100" ] || [ -z "$ID_2410" ] || [ -z "$ID_1410" ]; then
  echo "Missing GL accounts (2100, 2410, 1410). Create them first (see omnl-gl-accounts-create.sh and Phase C interoffice docs)." >&2
  exit 1
fi

post_entry() {
  local office_id="$1"
  local debit_id="$2"
  local credit_id="$3"
  local amount="$4"
  local comments="$5"
  local body
  local ref="${6:-}"
  [ -z "$ref" ] && ref="OMNL-JE-${office_id}-${TRANSACTION_DATE//-/}-0"
  body=$(jq -n \
    --argjson officeId "$office_id" \
    --arg transactionDate "$TRANSACTION_DATE" \
    --arg comments "$comments" \
    --arg referenceNumber "$ref" \
    --arg dateFormat "yyyy-MM-dd" \
    --arg locale "en" \
    --arg currencyCode "USD" \
    --argjson debitId "$debit_id" \
    --argjson creditId "$credit_id" \
    --argjson amount "$amount" \
    '{ officeId: $officeId, transactionDate: $transactionDate, dateFormat: $dateFormat, locale: $locale, currencyCode: $currencyCode, comments: $comments, referenceNumber: $referenceNumber, credits: [ { glAccountId: $creditId, amount: $amount } ], debits: [ { glAccountId: $debitId, amount: $amount } ] }' 2>/dev/null)
  if [ "$DRY_RUN" = "1" ]; then
    echo "DRY_RUN: $comments (officeId=$office_id amount=$amount)" >&2
    return 0
  fi
  local out
  out=$(curl "${CURL_OPTS_HTTP[@]}" -X POST -d "$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 $comments (HTTP $code)" >&2
  else
    echo "FAIL $comments HTTP $code: $resp" >&2
    return 1
  fi
}

AMOUNT_5B=5000000000
DATE_REF="${TRANSACTION_DATE//-/}"
post_entry 1 "$ID_2100" "$ID_2410" "$AMOUNT_5B" "T-Samama-HO — Due To Samama Group LLC — M1 5B" "SAMAMA-20-${DATE_REF}-HO"
post_entry "$SAMAMA_OFFICE_ID" "$ID_1410" "$ID_2100" "$AMOUNT_5B" "T-Samama-OF — Due From HO — Samama Group LLC M1 5B" "SAMAMA-20-${DATE_REF}-OF"
echo "Done: Samama officeId=$SAMAMA_OFFICE_ID; 5B USD M1 transfer posted." >&2
echo "OFFICE_ID_SAMAMA=$SAMAMA_OFFICE_ID"