-- pro zprovozneni elastic search lokalne (doporucuji)
    -- bud se podivejte na materialy dr Lastovicky
    -- nebo pomoci dockeru:

--prikaz pro docker         
 docker run -d \
  --name elasticsearch \
  -p 9200:9200 \
  -p 9300:9300 \
  -e "discovery.type=single-node" \
  -e "ES_JAVA_OPTS=-Xms512m -Xmx512m" \
  docker.elastic.co/elasticsearch/elasticsearch:8.11.2

-- kontorla funkcnosti curlem
  curl -X GET "localhost:9200/"

-- pro dotazovani pouzivame HTTP pozadavky
  - lze napriklad
     - curlem
     - rest klientem (podman atd)
     - doplnkem v IDE

--tokeny dokumentu
curl -X POST "localhost:9200/_analyze"
 -H "Content-Type: application/json" \
  -d '{
    "analyzer": "standard",
    "text": "Nejlepší televize na světě"
}'

-- novy prazdny index
curl -X PUT "localhost:9200/prazdny"


-- novy prazdny index
-- nepovinna specifikace schematu
curl -X PUT "localhost:9200/products"
 -H "Content-Type: application/json" \
  -d '{
  "mappings": {
    "properties": {
      "name": { "type": "text" },
      "description": { "type": "text" },
      "price": { "type": "float" },
      "category": { "type": "keyword" }
    }
  }
}'


-- pridaní dokumentu do indexu
curl -X PUT "localhost:9200/products/_doc/1"
 -H "Content-Type: application/json" \
  -d '{
  "name": "Smartphone XYZ",
  "description": "Nový smartphone s OLED displejem a 128GB pamětí",
  "price": 14999,
  "category": "electronics"
}'

-- lze i s POST (pripadne automaticky generuje ID)
curl -X POST "localhost:9200/products/_doc/2"
 -H "Content-Type: application/json" \
  -d '{
  "name": "Laptop ABC",
  "description": "Výkonný notebook s procesorem Intel i7 a 16GB RAM",
  "price": 24999,
  "category": "electronics"
}'

curl -X POST "localhost:9200/products/_doc/3"
 -H "Content-Type: application/json" \
  -d '{
  "name": "Kávovar SuperBrew",
  "description": "Automatický kávovar s mlýnkem a funkcí cappuccino",
  "price": 6999,
  "category": "kitchen"
}'

-- ziskani dokumentu
curl -X GET "localhost:9200/products/_doc/1"

-- uprava jiz vytvoreneho dokumentu
curl -X POST "localhost:9200/products/_update/1"
 -H "Content-Type: application/json" \
  -d '{
  "doc": {
    "price": 13999,
    "description": "Nový smartphone s OLED displejem a 128GB pamětí, nyní se slevou"
  }
}'

-- ziskani dokumentu
curl -X GET "localhost:9200/products/_doc/1"

-- smazani dokumentu

curl -X DELETE "localhost:9200/products/_doc/3"

-- ziskani dokumentu (smazaneho)
curl -X GET "localhost:9200/products/_doc/3"

-- smazani celeho indexu
curl -X DELETE "localhost:9200/products"



-- testovaci data 

curl -X PUT "localhost:9200/products/_doc/1"
 -H "Content-Type: application/json" \
  -d '{
  "name": "Smartphone XYZ",
  "description": "Nový smartphone s OLED displejem a 128GB pamětí",
  "price": 14999,
  "category": "electronics"
}'

-- lze i s POST (pripadne automaticky generuje ID)
curl -X POST "localhost:9200/products/_doc/2"
 -H "Content-Type: application/json" \
  -d '{
  "name": "Laptop ABC",
  "description": "Výkonný notebook s procesorem Intel i7 a 16GB RAM",
  "price": 24999,
  "category": "electronics"
}'

curl -X POST "localhost:9200/products/_doc/3"
 -H "Content-Type: application/json" \
  -d '{
  "name": "Kávovar SuperBrew",
  "description": "Automatický kávovar s mlýnkem a funkcí cappuccino",
  "price": 6999,
  "category": "kitchen"
}'

-- priapdne (_bulk umoznuje specifikovat vice operaci najednou)

curl -X POST "localhost:9200/products/_bulk"
 -H "Content-Type: application/json" \
  -d '{ "index": { "_id": 4 } }
{ "name": "Sluchátka BassPro", "description": "Bezdrátová sluchátka s výborným basovým projevem", "price": 1999, "category": "electronics" }
{ "index": { "_id": 5 } }
{ "name": "Mikrovlnná trouba HotWave", "description": "Mikrovlnná trouba s grilem a funkcí rozmrazování", "price": 2999, "category": "kitchen" }
'


-- fultextove vyhledavani
-- restirkce a podminky

curl -X GET "localhost:9200/products/_search"
 -H "Content-Type: application/json" \
  -d '{
  "query": {
    "bool": {
      "must": [
        { "match": { "description": "smartphone" } },
        { "match": { "description": "OLED" } }
      ]
    }
  }
}'


curl -X GET "localhost:9200/products/_search"
 -H "Content-Type: application/json" \
  -d '{
  "query": {
    "bool": {
      "must": [
        { "match": { "description": "notebook" } }
      ],
      "must_not": [
        { "match": { "description": "Intel i5" } }
      ],
      "should": [
        { "match": { "description": "RAM" } },
        { "match": { "description": "SSD" } }
      ]
    }
  }
}'


-- dotaz s multi-match - vyhledava pres vice poli/atributu


curl -X GET "localhost:9200/products/_search"
 -H "Content-Type: application/json" \
  -d '{
  "query": {
    "multi_match": {
      "query": "notebook Intel i7",
      "fields": ["name", "description"]
    }
  }
}'


-- dotaz s explain
curl -X GET "localhost:9200/products/_search"
 -H "Content-Type: application/json" \
  -d '{
  "query": {
    "match": { "description": "OLED smartphone" }
  },
  "explain": true
}'