package redis

import (
	"context"

	"github.com/redis/go-redis/v9/internal/hashtag"
)

type SetCmdable interface {
	SAdd(ctx context.Context, key string, members ...interface{}) *IntCmd
	SCard(ctx context.Context, key string) *IntCmd
	SDiff(ctx context.Context, keys ...string) *StringSliceCmd
	SDiffStore(ctx context.Context, destination string, keys ...string) *IntCmd
	SInter(ctx context.Context, keys ...string) *StringSliceCmd
	SInterCard(ctx context.Context, limit int64, keys ...string) *IntCmd
	SInterStore(ctx context.Context, destination string, keys ...string) *IntCmd
	SIsMember(ctx context.Context, key string, member interface{}) *BoolCmd
	SMIsMember(ctx context.Context, key string, members ...interface{}) *BoolSliceCmd
	SMembers(ctx context.Context, key string) *StringSliceCmd
	SMembersMap(ctx context.Context, key string) *StringStructMapCmd
	SMove(ctx context.Context, source, destination string, member interface{}) *BoolCmd
	SPop(ctx context.Context, key string) *StringCmd
	SPopN(ctx context.Context, key string, count int64) *StringSliceCmd
	SRandMember(ctx context.Context, key string) *StringCmd
	SRandMemberN(ctx context.Context, key string, count int64) *StringSliceCmd
	SRem(ctx context.Context, key string, members ...interface{}) *IntCmd
	SScan(ctx context.Context, key string, cursor uint64, match string, count int64) *ScanCmd
	SUnion(ctx context.Context, keys ...string) *StringSliceCmd
	SUnionStore(ctx context.Context, destination string, keys ...string) *IntCmd
}

//------------------------------------------------------------------------------

func (c cmdable) SAdd(ctx context.Context, key string, members ...interface{}) *IntCmd {
	args := make([]interface{}, 2, 2+len(members))
	args[0] = "sadd"
	args[1] = key
	args = appendArgs(args, members)
	cmd := NewIntCmd(ctx, args...)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) SCard(ctx context.Context, key string) *IntCmd {
	cmd := NewIntCmd(ctx, "scard", key)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) SDiff(ctx context.Context, keys ...string) *StringSliceCmd {
	args := make([]interface{}, 1+len(keys))
	args[0] = "sdiff"
	for i, key := range keys {
		args[1+i] = key
	}
	cmd := NewStringSliceCmd(ctx, args...)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) SDiffStore(ctx context.Context, destination string, keys ...string) *IntCmd {
	args := make([]interface{}, 2+len(keys))
	args[0] = "sdiffstore"
	args[1] = destination
	for i, key := range keys {
		args[2+i] = key
	}
	cmd := NewIntCmd(ctx, args...)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) SInter(ctx context.Context, keys ...string) *StringSliceCmd {
	args := make([]interface{}, 1+len(keys))
	args[0] = "sinter"
	for i, key := range keys {
		args[1+i] = key
	}
	cmd := NewStringSliceCmd(ctx, args...)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) SInterCard(ctx context.Context, limit int64, keys ...string) *IntCmd {
	numKeys := len(keys)
	args := make([]interface{}, 4+numKeys)
	args[0] = "sintercard"
	args[1] = numKeys
	for i, key := range keys {
		args[2+i] = key
	}
	args[2+numKeys] = "limit"
	args[3+numKeys] = limit
	cmd := NewIntCmd(ctx, args...)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) SInterStore(ctx context.Context, destination string, keys ...string) *IntCmd {
	args := make([]interface{}, 2+len(keys))
	args[0] = "sinterstore"
	args[1] = destination
	for i, key := range keys {
		args[2+i] = key
	}
	cmd := NewIntCmd(ctx, args...)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) SIsMember(ctx context.Context, key string, member interface{}) *BoolCmd {
	cmd := NewBoolCmd(ctx, "sismember", key, member)
	_ = c(ctx, cmd)
	return cmd
}

// SMIsMember Redis `SMISMEMBER key member [member ...]` command.
func (c cmdable) SMIsMember(ctx context.Context, key string, members ...interface{}) *BoolSliceCmd {
	args := make([]interface{}, 2, 2+len(members))
	args[0] = "smismember"
	args[1] = key
	args = appendArgs(args, members)
	cmd := NewBoolSliceCmd(ctx, args...)
	_ = c(ctx, cmd)
	return cmd
}

// SMembers Redis `SMEMBERS key` command output as a slice.
func (c cmdable) SMembers(ctx context.Context, key string) *StringSliceCmd {
	cmd := NewStringSliceCmd(ctx, "smembers", key)
	_ = c(ctx, cmd)
	return cmd
}

// SMembersMap Redis `SMEMBERS key` command output as a map.
func (c cmdable) SMembersMap(ctx context.Context, key string) *StringStructMapCmd {
	cmd := NewStringStructMapCmd(ctx, "smembers", key)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) SMove(ctx context.Context, source, destination string, member interface{}) *BoolCmd {
	cmd := NewBoolCmd(ctx, "smove", source, destination, member)
	_ = c(ctx, cmd)
	return cmd
}

// SPop Redis `SPOP key` command.
func (c cmdable) SPop(ctx context.Context, key string) *StringCmd {
	cmd := NewStringCmd(ctx, "spop", key)
	_ = c(ctx, cmd)
	return cmd
}

// SPopN Redis `SPOP key count` command.
func (c cmdable) SPopN(ctx context.Context, key string, count int64) *StringSliceCmd {
	cmd := NewStringSliceCmd(ctx, "spop", key, count)
	_ = c(ctx, cmd)
	return cmd
}

// SRandMember Redis `SRANDMEMBER key` command.
func (c cmdable) SRandMember(ctx context.Context, key string) *StringCmd {
	cmd := NewStringCmd(ctx, "srandmember", key)
	_ = c(ctx, cmd)
	return cmd
}

// SRandMemberN Redis `SRANDMEMBER key count` command.
func (c cmdable) SRandMemberN(ctx context.Context, key string, count int64) *StringSliceCmd {
	cmd := NewStringSliceCmd(ctx, "srandmember", key, count)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) SRem(ctx context.Context, key string, members ...interface{}) *IntCmd {
	args := make([]interface{}, 2, 2+len(members))
	args[0] = "srem"
	args[1] = key
	args = appendArgs(args, members)
	cmd := NewIntCmd(ctx, args...)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) SUnion(ctx context.Context, keys ...string) *StringSliceCmd {
	args := make([]interface{}, 1+len(keys))
	args[0] = "sunion"
	for i, key := range keys {
		args[1+i] = key
	}
	cmd := NewStringSliceCmd(ctx, args...)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) SUnionStore(ctx context.Context, destination string, keys ...string) *IntCmd {
	args := make([]interface{}, 2+len(keys))
	args[0] = "sunionstore"
	args[1] = destination
	for i, key := range keys {
		args[2+i] = key
	}
	cmd := NewIntCmd(ctx, args...)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) SScan(ctx context.Context, key string, cursor uint64, match string, count int64) *ScanCmd {
	args := []interface{}{"sscan", key, cursor}
	if match != "" {
		args = append(args, "match", match)
	}
	if count > 0 {
		args = append(args, "count", count)
	}
	cmd := NewScanCmd(ctx, c, args...)
	if hashtag.Present(match) {
		cmd.SetFirstKeyPos(4)
	}
	_ = c(ctx, cmd)
	return cmd
}