#!/usr/bin/env bash

WORKSPACE=$(cd "$(dirname "$0")"/.. && pwd)
. "$WORKSPACE/scripts/common.sh"

if [ -z "$WOJ_ENDPOINT" ]; then
    read -p "Enter HTTP API Endpoint: " -r endpoint
    if [ -z "$endpoint" ]; then
        log_error "[-] HTTP API Endpoint cannot be empty"
        exit 1
    fi
else
    endpoint="$WOJ_ENDPOINT"
    log_info "[*] Using HTTP API Endpoint: $endpoint"
fi

if [ -z "$WOJ_TOKEN" ]; then
    read -p "Enter Token: " -r token
    if [ -z "$token" ]; then
        log_error "[-] Token cannot be empty"
        exit 1
    fi
else
    token="$WOJ_TOKEN"
    log_info "[*] Using Token: $token"
fi

if [ -z "$WOJ_DIR" ]; then
    read -p "Enter Directory: " -r directory
    if [ ! -d "$directory" ]; then
        log_error "[-] Not a Directory"
        exit 1
    fi
else
    directory="$WOJ_DIR"
    log_info "[*] Using Directory: $directory"
fi

for problem in "$directory/"*; do
    if [ -d "$problem" ]; then
        dir_name=$(basename "$problem")
        log_info "[+] Importing problem $dir_name"

        if [ ! -f "$problem/config.json" ]; then
            log_warn "[-] Skipping: $dir_name/config.json not found"
            continue
        fi

        if [ ! -f "$problem/description.md" ]; then
            log_warn "[-] Skipping: $dir_name/description.md not found"
            continue
        fi

        read -p "Are you sure you want to import $dir_name? [y/N] " -n 1 -r
        echo
        if [[ ! $REPLY =~ ^[Yy]$ ]]; then
            log_warn "[-] Skipping: user cancelled"
            continue
        fi

        #######################
        # Get Problem Details #
        #######################

        title=$(head -n 1 "$problem/description.md" | sed -e 's/^# //' | xargs)
        description=$(cat "$problem/description.md")
        tags=$(sed -n '/^## Tags/,/^##/p' "$problem/description.md" | grep -Ev '^##|^$' | sed -e 's/^- //' | xargs | jq -Rc 'split(" ")')

        log_info "[*] Title: $title"
        log_info "[*] Tags: $tags"

        ####################
        # Compress Problem #
        ####################

        zip_file=$(mktemp -u --suffix .zip)
        log_info "[*] Compressing $problem into $zip_file" >/dev/null
        cd "$problem" && zip -9rq "$zip_file" . -x ".mark.prebuild" && cd ..

        ############################
        # Create Problem Statement #
        ############################

        log_info "[*] Creating problem statement"

        payload=$(jq -nc \
            --arg title "$title" \
            --arg description "$description" \
            --argjson tags "$tags" \
            '{ title: $title, statement: $description, tags: $tags }')

        response=$(curl -s \
            -H "Content-Type: application/json" \
            -H "Authorization: $token" \
            -X POST \
            -d "$payload" \
            "$endpoint/api/v1/problem/update")

        code=$(echo "$response" | jq -r '.code')
        if [ "$code" != "0" ]; then
            log_error "[-] Failed to create problem statement"
            log_error "[-] Response: $response"
            continue
        fi

        id=$(echo "$response" | jq -r '.body.meta.ID')
        log_info "[*] Problem statement created with id: $id"

        ###################
        # Get Storage URL #
        ###################

        log_info "[*] Getting Upload URL"

        response=$(curl -s \
            -H "Authorization: $token" \
            -X POST \
            "$endpoint/api/v1/problem/upload")

        code=$(echo "$response" | jq -r '.code')
        if [ "$code" != "0" ]; then
            log_error "[-] Failed to get upload url"
            log_error "[-] Response: $response"
            continue
        fi

        upload_url=$(echo "$response" | jq -r '.body.url')
        storage_key=$(echo "$response" | jq -r '.body.key')

        ##################
        # Upload Problem #
        ##################

        log_info "[*] Uploading Problem Package"

        curl -s -X PUT -T "$zip_file" "$upload_url"
        # shellcheck disable=SC2181
        if [ $? -ne 0 ]; then
            log_error "[-] Failed to upload problem package"
            echo curl -s -X PUT -T "$zip_file" "$upload_url"
            continue
        fi

        ##########################
        # Create Problem Version #
        ##########################

        log_info "[*] Creating problem version"

        payload=$(jq -nc \
            --argjson pid "$id" \
            --arg storage_key "$storage_key" \
            '{ pid: $pid, storage_key: $storage_key }')

        response=$(curl -s \
            -H "Content-Type: application/json" \
            -H "Authorization: $token" \
            -X POST \
            -d "$payload" \
            "$endpoint/api/v1/problem/create_version")

        code=$(echo "$response" | jq -r '.code')
        if [ "$code" != "0" ]; then
            log_error "[-] Failed to create problem version"
            log_error "[-] Payload: $payload"
            log_error "[-] Response: $response"
            continue
        fi

        log_info "[*] Problem version created"
        log_info "[+] Problem $dir_name imported successfully"
    fi

done