Muapi Seedance 2

#!/bin/bash
# Expert Skill: Seedance 2 Cinema Expert
# Translates creative intent into 'Director-Level' technical directives for Seedance 2.0.
#
# Modes:   t2v | i2v | extend | first-last | omni | omni-train | character | video-edit | watermark-remove
# Tiers:   chinese (default) | global | vip
# Options: --fast for fast-queue variants (global/vip only)
#
# Requires: bash 3.2+, curl, jq, python3

set -euo pipefail

SUBJECT=""
INTENT="cinematic"
ASPECT="16:9"
DURATION=5
QUALITY="basic"
AUDIO_FLAG=""
VIEW=false
MODE="t2v"
TIER="chinese"
FAST=false
IMAGE_URLS=()
IMAGE_FILES=()
VIDEO_URLS=()
VIDEO_FILES=()
AUDIO_URLS=()
AUDIO_FILES=()
EXTEND_REQUEST_ID=""
CHARACTER_NAME=""
CHARACTER_DESC=""
REMOVE_WATERMARK=false
PRO_WATERMARK=false
ASYNC=false
JSON_ONLY=false
MAX_WAIT=600
POLL_INTERVAL=5

MUAPI_BASE="https://api.muapi.ai/api/v1"

# Load .env if present (suppress errors, disable nounset temporarily)
if [ -f ".env" ]; then
    set +u; source .env 2>/dev/null || true; set -u
fi

# ============================================================
# Argument parsing
# ============================================================
while [[ $# -gt 0 ]]; do
    case $1 in
        --mode)             MODE="$2";             shift 2 ;;
        --tier)             TIER="$2";             shift 2 ;;
        --fast)             FAST=true;             shift   ;;
        --subject)          SUBJECT="$2";          shift 2 ;;
        --intent)           INTENT="$2";           shift 2 ;;
        --aspect)           ASPECT="$2";           shift 2 ;;
        --duration)         DURATION="$2";         shift 2 ;;
        --quality)          QUALITY="$2";          shift 2 ;;
        --no-audio)         AUDIO_FLAG="--no-audio"; shift ;;
        --view)             VIEW=true;             shift   ;;
        --image|--image-url) IMAGE_URLS+=("$2");  shift 2 ;;
        --file|--image-file) IMAGE_FILES+=("$2"); shift 2 ;;
        --video-url)        VIDEO_URLS+=("$2");    shift 2 ;;
        --video-file)       VIDEO_FILES+=("$2");   shift 2 ;;
        --audio-url)        AUDIO_URLS+=("$2");    shift 2 ;;
        --audio-file)       AUDIO_FILES+=("$2");   shift 2 ;;
        --request-id)       EXTEND_REQUEST_ID="$2"; shift 2 ;;
        --character-name)   CHARACTER_NAME="$2";   shift 2 ;;
        --character-desc)   CHARACTER_DESC="$2";   shift 2 ;;
        --remove-watermark) REMOVE_WATERMARK=true; shift   ;;
        --pro)              PRO_WATERMARK=true;    shift   ;;
        --async)            ASYNC=true;            shift   ;;
        --json)             JSON_ONLY=true;        shift   ;;
        --help|-h)
            cat <<'HELP'
Seedance 2 Cinema Expert
Usage: bash generate-seedance.sh --mode MODE [options]

MODES
  t2v              Text-to-Video
  i2v              Image-to-Video (1–9 images)
  extend           Extend an existing Seedance 2.0 video (Chinese tier only)
  first-last       First & Last Frame interpolation (Global/VIP; 1–2 images)
  omni             Omni Reference — images + audio + optional @character refs
  omni-train       Train a custom Omni Reference character (one reference image)
  character        Build a character sheet from 1–3 images
  video-edit       Edit a video with prompt + optional reference images (Chinese tier)
  watermark-remove Remove watermark from a Seedance 2.0 video

TIERS  (default: chinese)
  chinese          seedance-v2.0-* endpoints — lower cost, low censorship
  global           seedance-2-* endpoints — 21:9/1:1 aspect ratios, flexible 4–15s duration
  vip              seedance-2-vip-* endpoints — fast queue + low censorship

OPTIONS
  --fast           Use fast-queue variant (global/vip tiers only)
  --subject TEXT   Scene description / prompt (required for most modes)
  --intent TYPE    reveal|tense|epic|narrative|product|educational|comedy|fpv|drone|flythrough (default: cinematic)
  --aspect RATIO   16:9|9:16|4:3|3:4  — global/vip also support: 21:9|1:1  (default: 16:9)
  --duration N     Chinese: 5|10|15 s  — global