#!/bin/bash

# if not enough arguments
if [[ $# -lt 4 ]]; then
    echo "Usage: llama.sh <model> <template> <context-size> <temperature>"
    exit 1
fi

# if conf does not exist, create it
if [ ! -f "$HOME/.config/llama/llama-main.conf" ]; then
    mkdir -p "$HOME/.config/llama"
    cat <<EOF > "$HOME/.config/llama/llama-main.conf"
LLAMA_TEMPERATURE=0.1
LLAMA_CONTEXT_SIZE=4096
LLAMA_REPETITION_PENALTY=1.15
LLAMA_TOP_P=0.9
LLAMA_TOP_K=20
LLAMA_TEMPLATE=chatml
LLAMA_MODEL_NAME=teknium/OpenHermes-2.5-Mistral-7B/openhermes-2.5-mistral-7b-f16.gguf
EOF
fi

source $HOME/.config/llama/llama-main.conf

function llama_interactive {
    MODEL_NAME=$1
    TEMPLATE=$2
    CONTEXT_SIZE=$3
    TEMPERATURE=$4

    CMD=$HOME/.ai/bin/llama

    $CMD \
        --n-gpu-layers 1 \
        --model "$(model_path $MODEL_NAME)" \
        --prompt-cache "$(cache_path $MODEL_NAME)" \
        --file "$(get_model_prompt $MODEL_NAME)" \
        --in-prefix "$(get_model_prefix $TEMPLATE)" \
        --in-suffix "$(get_model_suffix $TEMPLATE)" \
        --reverse-prompt "$(get_model_prefix $TEMPLATE)" \
        --reverse-prompt "<|im_end|>" \
        --threads "7" \
        --temp "$TEMPERATURE" \
        --top-p "$LLAMA_TOP_P" \
        --top-k "$LLAMA_TOP_K" \
        --repeat-penalty "$LLAMA_REPETITION_PENALTY" \
        --ctx-size "$CONTEXT_SIZE" \
        --batch-size 1024 \
        --n-predict -1 \
        --keep -1 \
        --instruct \
        --no-mmap \
        --color \
        --escape
}

function model_path {
    MODEL_NAME=$1
    echo "$HOME/.ai/models/llama/${MODEL_NAME}"
}

function cache_path {
    MODEL_NAME=$1
    echo "$HOME/.ai/cache/menu-${MODEL_NAME//\//_}.cache"
}

function get_model_prefix {
    TEMPLATE_NAME=$1

    # if TEMPLATE_NAME contains string "guanaco"
    if [[ $TEMPLATE_NAME == *"guanaco"* ]]; then
        printf "### Human: "
    elif [[ $TEMPLATE_NAME == *"alpaca"* ]]; then
        printf "### Instruction: "
    elif [[ $TEMPLATE_NAME == *"upstage"* ]]; then
        printf "### Instruction: "
    elif [[ $TEMPLATE_NAME == *"airoboros"* ]]; then
        printf "### Instruction: "
    elif [[ $TEMPLATE_NAME == *"hermes"* ]]; then
        printf "### Instruction:"
    elif [[ $TEMPLATE_NAME == *"vicuna"* ]]; then
        printf "USER: "
    elif [[ $TEMPLATE_NAME == *"based"* ]]; then
        printf "Human: "
    elif [[ $TEMPLATE_NAME == *"wizardlm"* ]]; then
        printf "USER: "
    elif [[ $TEMPLATE_NAME == *"orca"* ]]; then
        printf "### User: "
    elif [[ $TEMPLATE_NAME == *"samantha"* ]]; then
        printf "USER: "
    elif [[ $TEMPLATE_NAME == "chatml" ]]; then
        printf "<|im_start|>user\\\n"
    else
        printf "Input: "
    fi
}

#  USER: hello, who are you? ASSISTANT: 

function get_model_suffix {
    TEMPLATE_NAME=$1

    # if TEMPLATE_NAME contains string "guanaco"
    if [[ $TEMPLATE_NAME == *"guanaco"* ]]; then
        printf "### Assistant: "
    elif [[ $TEMPLATE_NAME == *"alpaca"* ]]; then
        printf "### Response: "
    elif [[ $TEMPLATE_NAME == *"airoboros"* ]]; then
        printf "### Response: "
    elif [[ $TEMPLATE_NAME == *"upstage"* ]]; then
        printf "### Response: "
    elif [[ $TEMPLATE_NAME == *"hermes"* ]]; then
        printf "### Response: "
    elif [[ $TEMPLATE_NAME == *"vicuna"* ]]; then
        printf "ASSISTANT: "
    elif [[ $TEMPLATE_NAME == *"samantha"* ]]; then
        printf "ASSISTANT: "
    elif [[ $TEMPLATE_NAME == *"based"* ]]; then
        printf "Assistant: "
    elif [[ $TEMPLATE_NAME == *"wizardlm"* ]]; then
        printf "ASSISTANT: "
    elif [[ $TEMPLATE_NAME == *"orca"* ]]; then
        printf "### Response: "
    elif [[ $TEMPLATE_NAME == "chatml" ]]; then
        printf "<|im_end|>\n<|im_start|>assistant\\\n"
    else
        printf "Output: "
    fi
}

function get_model_prompt {
    MODEL_NAME=$1

    if [[ $MODEL_NAME == *"guanaco"* ]]; then
        echo "$HOME/.local/share/ai/prompts/guanaco.txt"
    elif [[ $MODEL_NAME == *"samantha"* ]]; then
        echo "$HOME/.local/share/ai/prompts/samantha.txt"
    elif [[ $MODEL_NAME == *"openhermes-2-mistral-7b"* ]]; then
        echo "$HOME/.local/share/ai/prompts/hermes-mistral.txt"
    elif [[ $MODEL_NAME == *"alpaca"* ]]; then
        echo "$HOME/.local/share/ai/prompts/alpaca.txt"
    elif [[ $MODEL_NAME == *"upstage"* ]]; then
        echo "$HOME/.local/share/ai/prompts/alpaca.txt"
    elif [[ $MODEL_NAME == *"airoboros"* ]]; then
        echo "$HOME/.local/share/ai/prompts/alpaca.txt"
    elif [[ $MODEL_NAME == *"hermes"* ]]; then
        echo "$HOME/.local/share/ai/prompts/alpaca.txt"
    elif [[ $MODEL_NAME == *"vicuna"* ]]; then
        echo "$HOME/.local/share/ai/prompts/vicuna-v11.txt"
    elif [[ $MODEL_NAME == *"based"* ]]; then
        echo "$HOME/.local/share/ai/prompts/based.txt"
    elif [[ $MODEL_NAME == *"wizardlm"* ]]; then
        echo "$HOME/.local/share/ai/prompts/wizardlm-30b.txt"
    elif [[ $MODEL_NAME == *"orca"* ]]; then
        echo "$HOME/.local/share/ai/prompts/orca.txt"
    else
        echo "$HOME/.local/share/ai/prompts/idm-gpt-lite.txt"
    fi
}

llama_interactive "$1" "$2" "$3" "$4"