#!/usr/bin/env bash
set -e

# Print a curated "what the installer wrote" summary so the user can verify
# the system shape on first boot before they start customising. Reads from
# state.json where the schema persists the value, and falls back to live
# introspection for things the schema doesn't track (form factor, drives,
# active software profiles, FDE).
#
# Invoked as Step 0 of nomarchy-welcome and available as a standalone CLI.

HOME_STATE="$HOME/.config/nomarchy/state.json"
SYS_STATE="/etc/nixos/state.json"

jq_or_empty() {
    local file="$1"
    local query="$2"
    [[ -f "$file" ]] || { echo ""; return; }
    jq -r "$query // empty" "$file" 2>/dev/null || echo ""
}

theme=$(jq_or_empty "$HOME_STATE" '.theme')
font=$(jq_or_empty "$HOME_STATE" '.font')
panel=$(jq_or_empty "$HOME_STATE" '.panelPosition')
tz=$(jq_or_empty "$SYS_STATE" '.timezone')
dns=$(jq_or_empty "$SYS_STATE" '.dns')
hybrid_gpu=$(jq_or_empty "$SYS_STATE" '.features.hybridGPU')

# Form factor: same battery-presence check the installer uses to auto-set
# nomarchy.{system.,}formFactor.
if compgen -G "/sys/class/power_supply/BAT*" >/dev/null; then
    form_factor="laptop"
else
    form_factor="desktop"
fi

# Active software profiles: heuristic detection. The installer bakes the
# user's pick into the generated home.nix as concrete `home.packages` /
# system toggles rather than persisting a profile list, so we check for
# the marker package of each profile.
profiles=()
command -v docker >/dev/null 2>&1 && profiles+=("Dev")
command -v steam  >/dev/null 2>&1 && profiles+=("Gaming")
command -v libreoffice >/dev/null 2>&1 && profiles+=("Office")
command -v obs >/dev/null 2>&1 && profiles+=("Media")
command -v rg >/dev/null 2>&1 && profiles+=("CLI Utils")

profiles_str="None"
if (( ${#profiles[@]} > 0 )); then
    profiles_str="$(IFS=', '; echo "${profiles[*]}")"
fi

# FDE: any crypt device present means the install used LUKS.
luks="No"
if lsblk -no TYPE 2>/dev/null | grep -q '^crypt$'; then
    luks="Yes"
fi

# Drives: target disks + their mounted root/boot/crypt partitions. Filter
# noise (loop/rom/zram) so the table reads like an install receipt.
drives=$(lsblk -no NAME,SIZE,TYPE,MOUNTPOINT 2>/dev/null \
    | grep -Ev '^(loop|sr|zram)' \
    | awk 'NF>=3 && $3 ~ /^(disk|part|crypt)$/' \
    || true)

version_line=$(nomarchy-version 2>/dev/null || echo "Nomarchy")
hostname_line="$(hostname 2>/dev/null || echo "")"

# Render via gum format (markdown). Fallback to plain text when gum isn't
# on PATH — keeps the script callable from minimal contexts like recovery.
render() {
    cat <<MD
# $version_line on \`$hostname_line\`

| Setting       | Value             |
| ---           | ---               |
| Theme         | ${theme:-—}       |
| Font          | ${font:-—}        |
| Panel         | ${panel:-—}       |
| Form factor   | $form_factor      |
| Timezone      | ${tz:-—}          |
| DNS           | ${dns:-—}         |
| Hybrid GPU    | ${hybrid_gpu:-false} |
| Profiles      | $profiles_str     |
| FDE (LUKS)    | $luks             |

## Drives

\`\`\`
$drives
\`\`\`
MD
}

if command -v gum >/dev/null 2>&1; then
    render | gum format
else
    render
fi