#!/usr/bin/env bash
# Install Claude Code plugins from brain manifest
# Adds marketplaces, installs plugins, warns on SHA mismatch.
#
# CORRECTION B: real Claude CLI subcommand shape is
#   `claude plugin marketplace add <repo>`  (NOT `claude marketplace add`)
#   `claude plugin marketplace list`
#   `claude plugin install <name@marketplace>`
#   `claude plugin info <name@marketplace> --json`
# Phase 0 discovery confirmed: `marketplace` is a child of `plugin`, not a
# top-level subcommand. The plan originally had the wrong shape.
#
# Usage: install-plugins.sh --marketplaces=<path> --manifest=<path>
set -euo pipefail

SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
source "$SCRIPT_DIR/common.sh"

marketplaces=""
manifest=""

while [ $# -gt 0 ]; do
    case "$1" in
        --marketplaces=*) marketplaces="${1#--marketplaces=}" ;;
        --manifest=*) manifest="${1#--manifest=}" ;;
        *) log_error "Unknown arg: $1"; exit 1 ;;
    esac
    shift
done

[ -f "$marketplaces" ] || { log_error "Marketplaces file: $marketplaces not found"; exit 1; }
[ -f "$manifest" ] || { log_error "Manifest file: $manifest not found"; exit 1; }

require_cmd jq || exit 1

# Fallback: if `claude` CLI is not in PATH (common on this Windows machine where
# the VSCode-extension binary lives outside %PATH%), log instructions and exit 0
# so installer can continue with manual JSON edits.
if ! command -v claude >/dev/null 2>&1; then
    log_warn "claude CLI not found — fallback: edit JSON configs manually and restart"
    log_info "Required edits:"
    log_info "  1. Copy $marketplaces -> ~/.claude/plugins/known_marketplaces.json"
    log_info "  2. Copy $manifest    -> ~/.claude/plugins/installed_plugins.json"
    log_info "  3. Update ~/.claude/settings.json:enabledPlugins"
    log_info "  4. Restart Claude Code"
    exit 0
fi

# Add marketplaces (CORRECTION B: `claude plugin marketplace ...`)
for mp in $(jq -r 'keys[]' "$marketplaces"); do
    repo=$(jq -r ".[\"$mp\"].source.repo" "$marketplaces")
    if claude plugin marketplace list 2>/dev/null | grep -q "$mp"; then
        log_info "Marketplace $mp already added"
    else
        log_info "Adding marketplace: $repo"
        claude plugin marketplace add "$repo" || { log_error "plugin marketplace add failed: $repo"; exit 6; }
    fi
done

# Install plugins
for plugin in $(jq -r '.plugins | keys[]' "$manifest"); do
    expected_sha=$(jq -r ".plugins[\"$plugin\"][0].gitCommitSha" "$manifest")
    expected_ver=$(jq -r ".plugins[\"$plugin\"][0].version" "$manifest")

    log_info "Installing $plugin (pinned v$expected_ver, SHA $expected_sha)"
    claude plugin install "$plugin" || { log_error "plugin install failed: $plugin"; exit 6; }

    actual_sha=$(claude plugin info "$plugin" --json 2>/dev/null | jq -r '.gitCommitSha // "unknown"')
    if [ "$actual_sha" = "$expected_sha" ]; then
        log_info "  SHA match: $actual_sha"
    else
        log_warn "  SHA mismatch (expected $expected_sha, got $actual_sha) — marketplace may have updated"
    fi
done