#!/bin/bash
set -euo pipefail

# # 配置
# MODEL_REPO="${MODEL_REPO:-stepfun-ai/Step-Audio-R1}"
# MODEL_DIR="${MODEL_DIR:-/tmp/models/Step-Audio-R1}"
API_PORT="${API_PORT:-9999}"
GRADIO_PORT="${GRADIO_PORT:-7860}"

echo "Starting Step Audio R1 services..."
# echo "Model: $MODEL_REPO"
# echo "Model Dir: $MODEL_DIR"
# echo "API Port: $API_PORT"

# # 下载模型（如果需要）
# if [[ ! -d "$MODEL_DIR" ]] || [[ ! -f "$MODEL_DIR/config.json" ]]; then
#     echo "Downloading model to: $MODEL_DIR"
#     mkdir -p "$MODEL_DIR"

#     if command -v hf &> /dev/null; then
#         hf download "$MODEL_REPO" --local-dir "$MODEL_DIR"
#     elif command -v huggingface-cli &> /dev/null; then
#         huggingface-cli download "$MODEL_REPO" --local-dir "$MODEL_DIR" --local-dir-use-symlinks False
#     else
#         echo "Neither hf nor huggingface-cli found. Skipping download."
#         exit 1
#     fi

#     echo "✓ Model downloaded"
# else
#     echo "✓ Model already exists locally"
# fi

# # Step-Audio-R1 的 chat template
# CHAT_TEMPLATE='{%- macro render_content(content) -%}{%- if content is string -%}{{- content.replace("<audio_patch>\n", "<audio_patch>") -}}{%- elif content is mapping -%}{{- content['"'"'value'"'"'] if '"'"'value'"'"' in content else content['"'"'text'"'"'] -}}{%- elif content is iterable -%}{%- for item in content -%}{%- if item.type == '"'"'text'"'"' -%}{{- item['"'"'value'"'"'] if '"'"'value'"'"' in item else item['"'"'text'"'"'] -}}{%- elif item.type == '"'"'audio'"'"' -%}<audio_patch>{%- endif -%}{%- endfor -%}{%- endif -%}{%- endmacro -%}{%- if tools -%}{{- '"'"'<|BOT|>system\n'"'"' -}}{%- if messages[0]['"'"'role'"'"'] == '"'"'system'"'"' -%}{{- render_content(messages[0]['"'"'content'"'"']) + '"'"'<|EOT|>'"'"' -}}{%- endif -%}{{- '"'"'<|BOT|>tool_json_schemas\n'"'"' + tools|tojson + '"'"'<|EOT|>'"'"' -}}{%- else -%}{%- if messages[0]['"'"'role'"'"'] == '"'"'system'"'"' -%}{{- '"'"'<|BOT|>system\n'"'"' + render_content(messages[0]['"'"'content'"'"']) + '"'"'<|EOT|>'"'"' -}}{%- endif -%}{%- endif -%}{%- for message in messages -%}{%- if message["role"] == "user" -%}{{- '"'"'<|BOT|>human\n'"'"' + render_content(message["content"]) + '"'"'<|EOT|>'"'"' -}}{%- elif message["role"] == "assistant" -%}{{- '"'"'<|BOT|>assistant\n'"'"' + (render_content(message["content"]) if message["content"] else '"'"''"'"') -}}{%- set is_last_assistant = true -%}{%- for m in messages[loop.index:] -%}{%- if m["role"] == "assistant" -%}{%- set is_last_assistant = false -%}{%- endif -%}{%- endfor -%}{%- if not is_last_assistant -%}{{- '"'"'<|EOT|>'"'"' -}}{%- endif -%}{%- elif message["role"] == "function_output" -%}{%- else -%}{%- if not (loop.first and message["role"] == "system") -%}{{- '"'"'<|BOT|>'"'"' + message["role"] + '"'"'\n'"'"' + render_content(message["content"]) + '"'"'<|EOT|>'"'"' -}}{%- endif -%}{%- endif -%}{%- endfor -%}{%- if add_generation_prompt -%}{{- '"'"'<|BOT|>assistant\n<think>\n'"'"' -}}{%- endif -%}'
# # echo "starting vllm server"

# # 后台启动 vLLM API
# python3 -m vllm.entrypoints.openai.api_server \
#     --model "$MODEL_DIR" \
#     --port "$API_PORT" \
#     --host 0.0.0.0 \
#     --max-model-len 7192 \
#     --tensor-parallel-size 4 \
#     --gpu-memory-utilization 0.90 \
#     --trust-remote-code \
#     --interleave-mm-strings \
#     --served-model-name Step-Audio-R1 \
#     --chat-template "$CHAT_TEMPLATE" \
#     &

# VLLM_PID=$!
# echo "vLLM started (PID: $VLLM_PID)"

python3 app.py --host 0.0.0.0 --port "$GRADIO_PORT"

# 清理
# trap 'kill $VLLM_PID' EXIT